1. One possible rejoinder: Biden called President Trump a "loser" and "evil." That is likewise extremely offensive and dehumanizing.
2. Second option: "Then be offended! Facts are facts! We don't care about your feelings!"
Regards,
They go on and on all the time about the importance of “first black, gay, lesbian, trans etc. You don’t get it both ways. You don’t get to ram that crap down everyone’s throat and then tell people they can’t call it what it is.