Hey hey… you’re not the first to ask for this (I’m replying to this post, which was originally a new topic).
I’m going to merge this topic into this other one: Allow users with access to a restricted category to see who else has access
Please to upvote it if you want to add some extra mmph to the request.
For what it’s worth, I think it makes complete sense to add this to core. It’s just a matter of prioritization.