That's the brilliance though. The TSA, customer service, and every other wish-they-could-be fascist organization operates by distancing enforcement from policy decisions.
Every try debating a TSA agent about how many explosive shoes they've seen in their careers? They just have a job to do. They aren't allowed to think -- they just follow their state diagram. "Shoes on? Yell until shoes come off. Why? Because that's what the chart says."