I strongly downvoted this post.
It reads mostly like "There are too many people I disagree with coming into the forum, and that's a bad thing."
It is very, very elitist. Both in the phrases you chose:
worse takes
worse distribution
People who have better thoughts
quality of person
And in the actual arguments. Especially point 3 - you want the distribution of styles and opinions (what you think is "quality of thought") to be as close as possible to that of people already employed by EA organisations - which would mean blocking diversification as much as possible.
You also assume things about the EA community (or maybe the expected impact of things), which I'm entirely not sure are right, like:
- that "we" want more object-level content on the forum (rather than, say, people doing object-level work mostly in their jobs). This one could actually be measured, though
- that "rational thinkers" are important for the forum. I'd agree, for example, that some limited applications of rationality are wanted - but I do not expect people to be, or even try to be, rational.
I'm not convinced quality has been declining, but I'm open to the possibility, and it's hard to judge.
Might be useful to ask EA Forum moderators if they can offer any data on metrics across time (e.g. the last few years) such as
We could also just run a short poll of EA Forum users to ask about perceptions of quality.
Poll: EA Forum content is declining in quality (specifically, the content that appears on the frontpage is lower quality than frontpage content from a year ago).
(Use agree/disagree voting to vote on this proposition. This is not a perfect poll but it gives some indication)