Microsoft has Killer Instinct, Nintendo has Super Smash Bros, before now what did Sony have that's popular to the fighting genre fanbase? If Street Fighter 5 was a multiconsole title between PS4 and Xbox One, the Xbox One would be definitive console for the fighting game genre. Sony just killed two birds with one stone. They'll stay a relevant console to fighting game fans while picking up some casual fighting game fans who buy into the newest Street Fighter.