Why are the Yankees in New York and also why are the Phillies in Philadelphia?

It makes me sad that I have to live in a city with the shithole of America and that would be yankees fans. does ny really need two teams? why not move the yankees to another city that doesnt have a team at all?

same with the phillies, we could move them to the west coast and the mets will be all alone in ny w/o having the yankees heere and without having the philies as neighbors.