Besides various problems on Facebook, I see some talk of problems on Instagram. I don't use Instagram.
For sharing photos, I prefer Flickr. In most cases, people on Flickr set their privacy settings to "open web" so friending is not necessary. Most things can be found in open search and even in Google search.
I do use Facebook, however. I like the space for longer, more thoughtful posts that often happens on Facebook.
As for friends, I would prefer Facebook to be all browsable, like open websites. Facebook is more interactive than the open web, due to friends who are more interested in me than the general public. Facebook gathers networks of personal friends.
As for mass interest on the web, from the general public, I'm not Kim Kardashian.🤣 My Flickr does get lots of clicks, however; just not many comments.
Many of my personal friends are on Facebook and that momentum isn't on other platforms.
Amazing to me that there are people who don't use Facebook, but do use Instagram, which is owned by Facebook. They know this, but they seem to prefer Instagram anyway. A mystery to me.
I guess, Instagram, being more about pictures than writing, is a faster experience. Speaking of "hurry, hurry sound bytes," I don't use Twitter.