This cannot be said loudly enough, yet no one is listening.
I like PvP, I don't like world PvP, because it's inherently unfair and inconvenient. But I do understand why some people like it. Hence, PvP servers and PvE servers.
I think the people complaining about CRZ on PvP servers are mad because PvP servers are actually risky again, and you have to earn the distinction of playing on one. It's all well and good being perma-flagged in deserted zones. But that's not what PvP servers are meant to be.