Photo and Video editing is actually pretty good, since the backends (magick/ffmpeg) are open source

Can you get (almost) every single person on there? Until not facebook is unreplaceable.

That's what it's trying to do. There's no way in hell it has the same level of technical features, let alone the same network size, though.

That being said, I've never been on either.

It's trying to be. You can't do everything on there you can do on Facebook, though, which is pretty much this meme.