If you look at this chart for the US vs the rest of the world it proves your point further.
The only thing a politician can arguably poke at is particulate matter produced by car exhausts at near face level can lead to respiratory issues, but that has nothing to do with Global Warming.
I think you are missing the crux of what the discussion is really about. Nobody is saying foot pathologies don't exist, but rather orthopetic inserts are pushed on folks that just need a better fitting shoe.
My parents used to have this neighbor named "Tal". His wifi network was called "Talhasaporsche". Tal, did in fact, have a Porsche. Whenever I would see Tal I would ask him, Tal do you have a Porsche? I can't remember. Tal eventually sold his Porsche to afford himself a bigger house on a...