Originally Posted by
Bicostal
Documenting (proving) that you are low risk requires that the government incur an additional cost and you gain the additional benefit of expedited security screening (note, expedited, not eliminated).
Exactly 19 passengers of the roughly six billion who have passed through US airport checkpoints over the past decade or so have boarded with the intent to harm the plane and its passengers. Two additional such passengers have boarded from overseas, where their checkpoints are similar to the PreCheck checkpoints here.
Remind me again why I have to pay even one cent to prove to some faceless government bureaucrat that I am low-risk?