No. no.  That's not "the alternative." There's also that Flintstone-era scanning method called a full body pat down, which WOULD have caught the underwear bomber while these for-profit death ray robots would have seen nothing. Get scanned if you want.  And be sure to keep your eyes ope...

You fly, you die. But first you'll go blind. From the source:   DNA Breathing Dynamics in the Presence of a Terahertz Field B. S. Alexandrov, V. Gelev, A. R. Bishop, A. Usheva, K. O. Rasmussen (Submitted on 28 Oct 2009) We consider the influence of a terahertz field on the breathing dy...

https://science.slashdot.org/story/09/10/30/1216230/how-terahertz-waves-tear-apart-dna These things don't give you cancer, they make it harder for your body to fight cancer.  Stare into the beam.  Don't close your eyes.  Your vitreous and aqueous humors are particularly unprotecte...