I've made pen pal friends on international trips who I stay in contact with on Instagram and Twitter because it doesn't make sense to exchange phone numbers. I use lists and muted words/phrases on Twitter to only see tweets from people I care about reading, on topics I mostly am fine with.
I guess for people who still browse Facebook and Twitter like they did 15 years ago, then social media should get buried. But there are some pretty effective ways to curb its toxicity and reap benefit from it these days.