Exactly this is a slippery slope scenario. Next they are going to want the camera to take snapshots of the user to verify that the user logged in is actually who they say they are at all times.
Some will call this comment alarmist but a little critical thinking can see this is the direction the government and 3rd parties are eyeing if not already planning for. Just look at Microsoft trying to take snapshots of what you are working on throughout your session.

So just because the three letter agencies are already doing this doesn't mean they should be. Also doesn't mean that we should just accept it.
This also is a gaping hole in their plan. And by California definition all OS are to have this check... So if they all conform and give into this demand then what OS will they change to?