It's a classic false dichotomy. Specifically, a person can care about both issues simultaniously.
The problem is that we're not producing the radiation in the air -- it's already there. Radiation shielding is heavy and infeasible for use in current airplane technology. It's a very, very hard problem.
BackScatter scanners, in contrast, are optional. They are completely and utterly unnecessary. It's very easy to get rid of them; indeed it would have been easiest and cheapest to never have forced them upon an an unwilling community of travelers.
It's a classic false dichotomy. Specifically, a person can care about both issues simultaniously.
The problem is that we're not producing the radiation in the air -- it's already there. Radiation shielding is heavy and infeasible for use in current airplane technology. It's a very, very hard problem.
BackScatter scanners, in contrast, are optional. They are completely and utterly unnecessary. It's very easy to get rid of them; indeed it would have been easiest and cheapest to never have forced them upon an an unwilling community of travelers.