You cannot opt out of crazy valets at airports. One company captures the parking concession, hires the cheapest (i.e., crappiest) valets they can find, and said

You cannot opt out of crazy valets at airports. One company captures the parking concession, hires the cheapest (i.e., crappiest) valets they can find, and said valets do appalling things with/to your car. So now after they finish joyriding, if they are not too hungover to remember, they leave a TSA card to keep their boss from bitching at them. Theoretically that card is an incremental infringement of your liberty, but in practice you have already been reamed out so hard by the valets that you won't notice.