Originally Posted by
Cidel
As people already pointed out, there is no "alliance" between GCs; some people here just like to play the victim card and rationalize getting sandwiched by saying "the other 2 GCs hate us" instead of taking into consideration how the tomeliths spawned and what your teammates were doing to potentially draw attention of both GCs to yours.
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tldr; confirmation bias, inattentive players, selective memory (choose not to recall when their team have been a part of a double team), bitter players with a grudge, tomelith spawns forcing sandwiching.