From Eurogamer: “Blizzard would not be where it currently is without periods of overwork or “crunch”, the company’s now-departed co-founder Mike Morhaime told Eurogamer at Gamelab this week. However, he feels that this way of working is “not sustainable” and that the industry as a whole is moving away from it.”
Source: N4G PC Crunch is "not sustainable" but Blizzard wouldn't be Blizzard without it, founder says