All these companies only ever do things for financial reasons. Enabling all people to use your serivce or device or website is a win-win. Sony doesn't sell the

All these companies only ever do things for financial reasons. Enabling all people to use your serivce or device or website is a win-win. Sony doesn't sell the Playstation as an act of charity. They do it to let people give them money for things they enjoy using. Likewise for these types of accessories.