https://www.cnet.com/news/mouse-and-keyboard-support-is-coming-to-xbox-one/

Ultimately, Spencer sees the move as a tool for developers -- one that might bring more games to the platform. 

"There are some games out there that require mouse and keyboard and those can't come to console today," he said. "If we put this capability in the hands of developers, we'll get more of those games."