A couple in Philadelphia is facing charges that they allowed their child to die because their religion forbids medical treatments.
If something is dangerous, then the State can interfere and claiming unconstitutional won’t help, especially if the State is only asking for parental consent.
There is a reason why Nat Lewin turned down a request to be the attorney in this case. There is a video of him floating around where he said that the people bringing a suit against NYC have no case.