This is so dumb politically. Even for people that don't want him to ban fracking (I actually don't think banning it outright is the way to go tbh)

But reacting to attacks in a way that reminds people of those attacks is the wrong tack.

Consider if someone accused Joe Biden of child molestation, and he ran a series of ads with the line "Joe Biden is not a child molester. It's that simple."

It wouldnt convince anyone who had already bought into the lie, and for people not familiar with the claim it would just like Joe Biden and Child Molester in their heads.