User blog comment:Kincaid1/The Sky Fortress (Story 5)/@comment-11266124-20140408023328/@comment-5354667-20140409164837

First things first:

griefer |ˈgrēfə |  noun    informal (in an online game or community) a person who harasses or deliberately provokes other players or members in order to spoil their enjoyment. a class of entrepreneurs is emerging who see griefers not just as an annoyance but as a potential source of lost revenue. DERIVATIVES  griefing  noun



Back to the topic, raiding =/= being rude. With that logic, a real life murderer is a bully for killing someone. Raiding is part of the game.