Getting people to stick out fights that will take a few dozen pulls to kill is going to start becoming a bigger issue for guilds. Before if you were just getting to a fight like mythic Aggramar and knew that all the guilds before you took 200 to 500 pulls to kill it and had something along those lines in store for your group, one thing that helped with that time sink was knowing you were still gaining DKP, attendance points or whatever your raid used to help with loot. Now being there for a kill is all that matters for getting loot and this will make some of the more challenging parts of raiding even worse.
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So you think 19 people are so weak minded they let 1 person control them and what they do?