It helps for list wars and give Xbox gamers a way to respond to the accusation that Xbox has no exclusives.
Also they can offer those games Day 1 on Gamepass. They can also use the acquired IPs and characters to populate any future crossover games or projects.
http://www.youtube.com/watch?v=F1gWECYYOSo
Please Watch/Share this video so it gets shown in Hollywood.