Recall that Rick Perry’s so-called “flat tax” plan isn’t flat at all, but rather an alternative tax system that would constitute a massive tax cut for the rich. For people above a certain income, his plan would be worth opting into, and for the rest of earners, it would make sense to stay in the current tax system.
This is a companion discussion topic for the original entry at https://talkingpointsmemo.com/?p=105006