Noone is painting everyone who locks their XP with the same brush. The only ones that don’t even need any painting because their disgusting nature is so blatantly obvious are those who lock their XP and join common pool PvP Instances, knowing their vastly superior gear will give them an overwhelming advantage over those who do not have such a high iL gear. Now that gear iL disparity is what truly not fair to common players, which is why this suggestion was made to curb those who want to abuse superior iL gear within Instanced PvP permanently (which xp-off feature inadvertently enables, so only those who use the xp-off feature should be subject to that limitation, and only within PvP Instances excluding Wargames):
Common players also should be given an idea of an expected minimum iL within PvP Instance level range they’re joining though, which is why this suggestion was made: