Reading your listed items 1-3 tells me we should ABANDON Chevron Doctrine 100%!
If the law is so poorly written that complete enforcement of said law is up to the determination of whoever is in charge that week, then it is a bad law and should be litigated.
If such litigation slows the economy or paralyzes the courts, all the better for America to SUFFER from the works of the idiots whom they place in Congress and the White House!
The sooner people start feeling the pains of their stupid elections, the sooner people will start voting for people other than by name recognition, or if they have “cute tits”, or with the “I would sleep with him” thought processes!! Stupidity SHOULD HURT...especially voting stupidity!
The problem is that the actual statues would become 1,000 times longer than they already are, and would have to be updated as technology or practices change in the industry, etc.
It's just unworkable, which is why congress authorizes departments to promulgate rules to implement statutes.
It's just that the pendulum has swung way too far towards allowing departments to make up practically any rules they wish, and courts granting them deference.