Earlier quoted context omitted.
TSA will punish you for opting out of anything. If you're lucky, the least they will do is hold you up a long time so you have a good chance of missing your flight. I've also had them sexually harass me, and confiscate (e.g. steal) legal items in retaliation for opting out of things I had the legal right to opt out of. They know people are in a hurry and won't do anything about being treated unethically or illegally,…
I always opt out of the scanner (even have a special shirt [1]), and without fail they always stand me by the intake (radio-leaky-end) of the baggage x-ray machine for 5+ minutes. [1]: https://www.davisr.me/projects/art/tsashirt.jpg
https://preview.redd.it/travel-safe-for-thanksgiving-v0-i3ja...