You don't pvp on a pve server unless you either go into a pvp area or you enable it yourself.Just another "accidental PVP flagging" forced PVP crap. Second reason, why I haven't bought Legion. I told it Blizzard many times already. I've payed money to transfer to PVE server and I don't want to have PVP in any shape or form. PVE server should be = permanent "hard" PVP flag disabling. We were fighting with this crap back in MOP, when TI brought some "tricking you into PVP" problems. We won and Blizzard promised, that since then problem have been fixed. But in Legion they started this crap again.
I have to tell it again. ON PVE SERVER NO PVP SHOULD HAPPEN WITHOUT MY OWN PERMISSION. Flagging me without my permission = violating rules of PVE server.
So. I won't buy Legion, till "hard" way to disable PVP on PVE servers won't be implemented. It should either be technically impossible or any activities, that can potentially flag me for PVP - should ask my permission to do it before allowing me to enter PVP zones.