IMO, they aren't "rushing to ignore standards". They have already determined that she is indeed brain dead.
The Judge ruled they ignored standards. If they had not ignored standards, the Judge would have accepted the initial evaluation.
How many parents have accepted the initial evaluation at that hospital and made decisions based on it? I guess the Dept. of Health will find out in the course of their investigation. I have no clue but I'm betting Jahi isn't the first. my opinion.