yeah, “chevron deference” was only really an issue with ambiguously written laws IMO, or agencies taking an overly expansive view of their authority. And they still can, but now those decisions can be challenged in court.
Which means a denial of service attack on the system is most certainly coming via that jurisdiction in Texas that has the single judge who loves issuing national injunctions.
good summary here: https://www.rstreet.org/commentary/chevron-is-out-of-gas-wil...