Server community was shit as far back as 2.4 where people abused DPS in the LFG channel and Trade looking for groups without t5 or better, when t5 and t6 guilds rampantly poached from t4 and t5 guilds, when the Heroic 5-man community was so toxic that it was both more expedient and less stressful to grind battlegrounds for a set of honor gear once Season 1 became available for purchase with Honor, and when entire guilds shattered trying to make the jump from Karazhan to Mag's and Gruul's while dealing with poaching from other guilds replacing lost raiders, to say nothing of guilds shattering on Kael and Vashj.