I have to admit I've seen this as a strong motive for creating AGI in both myself and others. Maybe it's because I just don't get along with other humans very well (or specifically I fail to model them properly), or because I feel as if I would understand AGI better than them, but it just seems much more appealing to me than having an actual child, at least right now.
Specifically, my goal is (assuming I understand correctly) non-goal-directed bounded artificial intelligence agents, so... it's pretty similar, at least. It's certainly a strong enough motive for some people.
IQ doesn't actually mean much. Stephen Jay Gould's The Mismeasure of Man is a good place to start. IQ varies wildly based off socioeconomic status, education, age, amount of sleep, whether or not you've had any stimulants/depressants/any mind-altering substance, how much you've had to eat, if you've mentally or physically exerted yourself, and so on.
Tracking IQ within an individual could be useful as part of a battery of other tests to predict cognitive degeneration, but a decrease in IQ could simply mean you're having a bad day.
Thank you for your feedback! I haven't read this yet, but it comes pretty close to a discussion I had with a friend over this post.
Essentially, her argument started with a simple counterargument: She bought peanut M&Ms when she didn't want to, and didn't realise she was doing it until afterwards. In a similar situation where she was hungry and in the same place, she desired peanut M&Ms to satisfy her hunger, but this time she didn't want them. She knew she didn't want peanut M&Ms, and didn't consciously decide to get them against that want; in
You can find it backed up on the Wayback Machine: https://web.archive.org/web/20180105104931/https://www.lesswrong.com/tag/conspiracy_world
Additionally, links to the same content are available on the LessWrong wiki at https://wiki.lesswrong.com/wiki/Beisutsukai.
Edit: Additionally, to address your first question, tags were likely lost in the shift to LessWrong 2.0, but I haven't been around long enough to confirm that.