Does it stop PP funding? Basically, you're afraid that people will object and you don't want that. By forcing employers to do it, the government is ducking direct responsibility.
Personally, I would want to see employers get out of the Insurance Business altogether and go to single payer. But as long as we have to get our health insurance through our employers, then we better damned well make sure they aren't using their half-ass bronze age morality to overrule good medical judgement.
The only two people who should decide what treatment is appropriate is the patient and her doctor.