They are addressing the fact that no bad actor will care to make it, not that they can't.

Sure, there are countless ways it could be abused, and you point out some, but what had actor will want to pursue even one? They gain nothing. And good actors only lose out, in the form of lost credibility and future audience. Therefore it doesn't get abused and a fix isn't needed.

The last 15 years is evidence of the argument.