It will just end up like Qualified Immunity. "Your honor, I was wearing a green shirt, this is unprecedented territory and totally different and Congress needs

It will just end up like Qualified Immunity. "Your honor, I was wearing a green shirt, this is unprecedented territory and totally different and Congress needs to clarify". What historical uses of the Chevron deference do you actually find objectionable? Why can't those specific instances have been pushed back on, instead of just scrapping the whole thing?