I sometimes hear that someone doesn’t want to post an idea because they feel like they would have to write a whole post, and it would need to be long, complex, and fully fleshed out.
I think short and simple Forum posts are fine — in fact, it’s often better for a post to be significantly shorter. (You could also consider making it a Quick take.)
But as long as a large fraction of this small % of people sees the post, this is not a big problem, no? I imagine that this is for example true for EAs interested in improving institutions and the landscape analysis of institutional improvements.