Just because a person's opinion does not match your's does not make a person a troll.
He never said "Anyone that likes it is a ******".
It's a video game, no reason to get so offended.
Personally, I think, going by terms of reputation, it'll be terrible and generic and I won't buy it because I simply don't like any game that Blizzard have made. (Starcraft was okay, nothing special for me.)
But, if somebody wants to buy that type of game, well, to me it's their loss, however, I see things differently than a lot of people...
