There's a lot more to Battle.net than most launchers. For one, it's really deeply integrated into like every Blizzard game's chat and friends system. It'd be ha

There's a lot more to Battle.net than most launchers. For one, it's really deeply integrated into like every Blizzard game's chat and friends system. It'd be hard to imagine Blizzard retooling World of Warcraft's chat to accept messages from Steam users, but at present players in WoW and say Heroes of the Storm can chat with each other inside the games.