Ha not like Hearthstone! Or Diablo 3 (That they also had to back peddle on).
Were the cool hip guys that love our consumers-value interest!

Blizzard is a master of these mechanics. Its just more popular and has better PR

They might not have "P2W" mechanics in their current games, but Blizzard are largely to blame for the whole Lootbox-epidemic that plagues modern AAA-games, what with their microtransactions in Overwatch. And you can say "It's just cosmetics" all you want, it's still insidiously designed to make the lootboxes seem as appealing as possible, and exploit people with gambling problems. Not to mention, the Auction House from DIablo 3.