The Open Thread posted at the beginning of the month has gotten really, really big, so I've gone ahead and made another one. Post your new discussions here!
This thread is for the discussion of Less Wrong topics that have not appeared in recent posts. If a discussion gets unwieldy, celebrate by turning it into a top-level post.
Wait, you have a model which says it should?
You don't learn from a person merely by associating with them. And:
I would bet a fair bit that this is the source of your frustration, right there: scale. You can learn from a person by directly interacting with them, and sometimes by interacting with people who learned from them. Beyond that, it seems to me that you get "dilution effects", kicking in as soon as you grow faster than some critical pace at which newcomers have enough time to acculturate and turn into teachers.
Communities of inquiry tend to be victims of their own success. The smarter communities recognize this, anticipate the consequences, and adjust their design around them.
Bad ones certainly seem to. Perhaps the high quality person at least leaves less room for the negative influences?