They had their own islands and cities which they could defend.

Yes, they absolutely could avoid anyone they just robbed. That’s why they did it.

Honestly you still haven’t even glimpsed at the articles yet, have you?

“much larger history of civilization”

Pirates are still a thing. Less so, but they are.

It was just the golden age of piracy because of just how far spread it was and how little any state could oppose them. Lots of states allowed and supported it, as per common knowledge and me now reiterating it for the second time.

Tldr, my point is that you’re wrong.