This stuff always makes me mad. It's so friggen obvious to me, but it seems like most people don't notice or don't care. Great summary here:
Because, it puts pressure on the average person. They make the discomfort obvious to the people. They are denying you access to something you already paid for and that several decades ago often didn't even have a gate.
Yeah it is madness. Yet we see madness every direction we look these days.