Not a finance person, so forgive my ignorance, but why is it "bad" that their profits come from credits? Considering they're specifically in the EV market and w

Not a finance person, so forgive my ignorance, but why is it "bad" that their profits come from credits? Considering they're specifically in the EV market and will continue to receive those sorts of credits so long as the policies remain in place, isn't this a totally valid way to make profits for them?