Great insights here, I completely agree with not following too many people, it messes up your feed and you will certainly miss the posts that are most interesting to you sometimes.

But I'm still wondering. Is it always the best strategy to support those who support you? I like to focus just on supporting the quality content I like, which means that even if someone structurally upvotes my posts, but never comments meaningfully and their posts don't qualify as valuable content to me, I won't upvote that.

Is that being selfish?