Excellent advice, everyone!
Wow, let's just say, "The fediverse isn't typical social media" -- and yes, Jim, there IS intelligent life in the universe.
As for what's getting ripped off: photos, posts, graphics, articles, entire freaking books (wait for Elena's post), audio files, our identities... you name it; it's showing up (usually on sites with not-so-great English).
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!