Everything you upload, almost everywhere, can be used by the site owners to do whatever they like for their own purposes (reselling is somewhat often excluded / non-transferrable). There are a handful of exceptions, but they're very much exceptions, not the normal rule.
“Few”, maybe.
It figuratively does not.
You’re not going to change the meaning of two words, here…
If anyone actually read them it's typically a unlimited unrestricted pipe of data they can use for anything.
And even I have mostly given up on the website T&C because most of them are so lengthy, a lot like I've given up on disabling javascript since the modern web frequently won't even render anything if you disable it.