I dispute this. It seems to me that if Congress was vague, it knew it was ceding power to the agency to decide; and that the court in Chevron considered it normal that the fallout from poor decisions should land upon those seeking legislative or executive re-election.

I can see both good and bad outcomes from today's decision (though I think in the short term it will multiply litigative and executive brinksmanship without elevating legislative standards), but I really don't agree with the idea that the justices who originally decided it were just clueless about the implications.