>>535092595
It doesn't really matter what their vision was at that point in time. Blizzard was making millions selling copies of Warcraft III from people who just wanted to play DotA. Where do you think the BLUE TEAM vs RED TEAM comes from? World of Warcraft was fully designed with PvP in mind. It's the only scenario where you press all your spells and use classes mechanics to the fullest. PvE was an afterthought at the initial release.