You know the drill - If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one.
3. Open Threads should start on Monday, and end on Sunday.
4. Open Threads should be posted in Discussion, and not Main.
Does this by extension imply that the type of instrumental rationality training advocated by LW is useless? Why, why not?
If some particular method of learning can be shown, through evidence, to be an improvement long-term, then by all means go for it. But until then, your prior belief has to be that it isn't.