Agreed.
I enjoy my time on Facebook. I think most of the complaints about Facebook (aside from privacy issues) are self-inflicted.
Your feed is what you make it. You have an uncle that's a rabid Trump supporter that posts racist shit? Delete him. Or at least unfollow him so his bullshit doesn't show up in your feed.
I recently discovered the term "hate-follow" and I'm just flabbergasted that anybody would ever follow someone on social media that they despise.
I've also heard that some people are very prone to envy and seeing someone's vacation photos fills them with depression, but eh...not sure what can be done about that.