There are only a few thousand drug candidates being studied in the US. Total. Including in-vitro.
The pipeline is tiny, ultimately because the pharma industry is an oligopoly.
"They haven't found a drug that does X" really, really does not mean "a motivated and intelligent wealthy donor couldn't cause someone to find a drug that does X." It does mean that, short of making some really big political changes, it's hard to profit on finding such a drug or distribute it at mass scale.
In the spirit of experimentation I want to have a thread where we list examples of gross civilizational inadequacy.
There's subcomment for meta comments on the thread, otherwise I encourage you to have one top-level comment per example of civilizational inadequacy.