Or, ya know, adults can judge each situation on a case by case basis, because slippery slope arguments are largely based on bull ****.
The idea that if one team changes its horribly offensive nickname then ALL THE OTHER TEAMS IN THE LEAGUE will have to change their names too defies all logic.
Just go back to these uniforms:
call them the Warriors and be done with it. I'm sure the league would love to be able sell all new merchandise.