just returned from cabo and heres where it stands.
private companies - like transcabo, hotel shuttles, etc.. can take you from the airport to your hotel or location. they cannot take you back to the airport though. apparently the palmilla was trying to get some guest back to the airport last week and they were surrounded by taxis who made the guests get out of the palmilla cars and into the taxis. some people are taking shuttles closer to the airport and catching a taxi there.
a private person can take you to the airport of course. its the license tag that gives away the resort cars even if they remove the decals from their vehicles.
i was talking to a few locals and it will probably eventually get sorted out in favor of the transport services but it will take a while.
ps - i got all this info from a reliable source. a local family whose house i stayed at in pedregal. they are in the resort business.