User blog comment:Commdor/Questions for Mass Effect 3/@comment-118213-20101216230959

"What do the Reapers gain from attacking Earth?"

We do already know from ME1 from the prothian experiences that the Reapers will wipe out every galactic civilisation, every single high-form of life.

Since humanity is ether on, leading or controlling the Council it is only natural to presume that it would be one of the first targets.