Working Through the Controlled Demolition Conspiracy

I hope I'm not breaking any taboos here. It's been a while since I've come onto the discussion section and I admit I'm not too up to date on the topics.

I'm having difficulty responding to someone who is convinced that 7WTC was brought down by controlled demolition on September 11th, 2001. They're referencing the controlled-looking destruction of 7WTC and various other incriminating looking things. Thermite and thermite waste products seem to come up a lot.

Now, I have definitely noticed I'm confused here. While I hold the opinion that the towers went down because of the planes/fires (i.e. the standard explanation) I have difficulty seeing how the falsity of controlled demolition is the slam-dunk folks seem to think it is. Could somebody walk me through this?


[EDIT: About a million edits later, I have finally worked through the problem with my link: I needed it to be in HTML and not in the comment format.]

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Wikipedia seems like a much better starting point than asking Less Wrong.

Ok, I read through the Wikipedia entry, and yes. It has proven to be very helpful. Thanks.

A few points:

  • The standard explanation is, and should be the default explanation: given that we know that there were planes that crashed into the towers, we know that OBL had "declared war on" and attacked the US previously, that the attackers had previous ties to Al-Qaeda, among their other extremely well known and studied background info, etc, we have more than enough info to establish that there was in fact a successful Al-Qaeda plot to attack the WTC, in essentially the known manner.

  • There is therefore no need to suppose a government plot.

  • So the conspiracy theorists are starting with exceedingly weak priors for their case; they also have no persuasive/effective evidence in their case's favor. I don't really feel any need to list every possible argument against the standard case and their flaws, but see eg here or here.

the conspiracy theorists are starting with exceedingly weak priors for their case

The priors are exceedingly week because the evidence in your comment is filtered. You did not mention e.g. this: War is an excuse to tax citizens and buy weapons from big producers, who in turn sponsor politicians -- therefore politicians have an incentive to declare wars to keep the money flowing. Also war helps to turn attention away from domestic problems. Or this: False flag operations are sometimes used to start a war.

Even including this, it may still result that WTC attacks most probably happened similarly to the official version. But making your case seem stronger than it really is, is still a sin against rationality.

Yes, but as I said, there's absolutely no evidence whatsoever that there was a government conspiracy, whereas the al-Qaeda plot has been exceedingly well documented; there's no reason to believe that government officials had a motive, whereas Osama had repeatedly stated that he would attack the US, and had done so previously. More specifically:

One last point is that I may have confused you about what I'm calling "priors"; I'm referring solely to the priors for the claims rysade brought up, regarding the actual mechanics of the destruction, which include the stuff I brought up in my first section above as evidence. I agree that the priors for any terrorist attack in the US being a false flag operation are somewhat higher than the posteriors given the above evidence- thus the fact that I posted the above evidence.

From my experience, conspiracy theorists are like everyone else epistemologically except they have different motivations: most people want to believe the world is just, while conspiracy theorists want to believe the world is sinister. Like with most people, you have to watch out for motivated skepticism or what skeptics call anomaly hunting.

To guard against that, you'll have to find a way to make their evidence clearly defined and inescapable. I recommend having them write down all the evidence for their belief that 9/11 was blah blah and then weight it. Here's an example:

  • 7WTC blah blah is 60% of the support for my belief that 9/11 blah blah
  • Nanothermite blah blah 15%
  • Blah blah holograms 5%

Ask them what percentage of that evidence is sufficient for their belief, and then just take the paper and research it. Come back another day and discuss your findings dialectically.

If you're looking for information resources, here's some mixed quality ones from my bookmarks:

Downvoted for failing to check google/wikipedia first.

I suppose if you really wanted to get into it, you could go read an engineering review of what happened.

First I did a search and found the word PHYSICS is not on this page. Now it is.

The Laws of Physics do not give a damn about CONSPIRACIES and they do not give a damn about people who do not understand grade school Newtonian Physics. Of course they don't give a damn about people who do understand Newtonian Physics either. Physics is indifferent! That is all this 9/11 business is, PHYSICS. It is not Einsteinian Physics. It is not Quantum Physics. Actually WTC7 is not even very interesting. But it was 300 feet wide. Watch the roof line come down and see how close to perfectly horizontal it remains from start of collapse to finish.

Then explain how a fire could cause such a high degree of perfection? The Physics dictates that mass is going to accelerate due to gravity at a specific rate. So for the roof to start coming down in line and stay in line they would have to give way at the same time. Most people say within a 1/10th of a second. So how many supports were there across 300 feet that all gave way within a 1/10th of a second? How could fire do that? High precision fire. LOL