The accusation of "bad faith" is either unsubstantiated or irrelevant or both. It's basically saying "I don't like your arguments, therefore I'm allowed to dismiss them by declaring them to be 'bad faith' arguments."

That neither shows that the "bad faith" accusation is justified nor that the arguments in question are wrong. It's not a counterargument. It's just a mixture of ad hominem and mere contradiction.

To reiterate: "There is a clear reason why DEI hiring is bad: It comes at the cost of merit based hiring." That's the argument. The "bad faith" stuff is irrelevant.