A point that is a spin on the data. In the 60s they also used to cover homes in asbestos and lead, do we need to do that again? Also flying airplanes was much c

A point that is a spin on the data. In the 60s they also used to cover homes in asbestos and lead, do we need to do that again? Also flying airplanes was much cheaper, and safety systems were much more crude; should we go back to LOS navigation? I am not making any unsubstantiated claim, it’s a fact that over the decades risk analyses have determined that such measures were necessary. You’re the ne claiming it was just tree-hugging hysteria.