When you see a pilot, he's not getting paid.
When you see a pilot going through the same security you go through, he's not being paid.
When you see a pilot walking in the terminal, he's not being paid.
blah blah blah...
This is false. The pilot is most certainly getting paid. Now, if there were one person who did all these non-flying tasks and another person who flew the plane, then you would have a point that the first person is not getting paid. But the fact of the matter is that it's the same person, and the pilot cannot fly the plane without doing all these non-flying tasks.
For example, if the pilot makes $100 an hour, spends one hour flying the plane and one hour in so-called "unpaid" prep time, then you could say he's really making $50 an hour for all work.