Because in PVP I can be retaliatory, that is what the game is about.
PVE has no place for retaliation.

I know you don’t get the difference, if you did there would be no reason for me to try to educate you.

According to you all that is a PVP tactic.

No one on PVE servers wants to be that guy.

All thumbs are fingers but not all fingers are thumbs. If you don’t understand that there is no explanation I can give you you would understand.