[Trust but Verify]

Then don't fly. I prefer to give a little for the convenience. It's the same as deciding whether or not you are going to give personal information to a lender or the grocery store to get their discount card. There are a million different choices we all have to make, it's up to each of us individually which ones we are going to put up with. What would you have airlines do? Just throw open the doors and let anyone get on with anything?