It is exactly the same as naming a team something like, "The Washington Darkies", or "The Washington Blacks", or even "The Washington Negroes"
There was a time when Negro was an acceptable term - around the same time the team was named "Redskins." Times change, society becomes more sophisticated (mostly), and we realize the errors of our ways. Changing the name of the team doesn't mean we forget about heritage or history, but it is a representation of how society has improved. We don't denigrate groups of people any more the way we used to when racism and bigotry were more accepted, and that is a good thing.