Big government continues to spend tax dollars to steadily increase deployment of creepy biometric scanning. The picture-taking at airports is opt-in ... just like the full-body x-ray scans are also opt-in. If you don't want to volunteer, you can simply choose to not do it.
The TSA sells the full-body x-ray scans as a "...
voluntary alternative to a physical pat down ...", though pat downs are not actually required. Any reader can test the non-requirement of pat downs by going to a small regional airport that only has x-ray machines, and observe the lack of pat downs. Yes, anyone can enter the so-called secure airport space without a full body x-ray by starting at a small regional airport, or by simply opting out of the x-ray machine.
Florida airport to begin scanning faces of international passengers
... US citizens at these airports can opt out, but the agency "doesn't seem
to be doing an adequate job letting Americans know they can opt out,"
said Harrison Rudolph, an associate at the Center on Privacy &
Technology at the Georgetown University Law Center. ...
