> Except that every port is allowed to choose if they use the TSA or not. San Francisco for example does not use the TSA.

Then, somehow, they managed to make it even worse.

afaik, the tsa is still in charge of port security at sfo, but the screening is outsourced to a private company.

The TSA selects the contractor and gives them the rules of operations, but the contractor is in charge of execution. So, sort of?