Tbh insulating the blades bases would be a huge step in the right direction, and there's no remodeling required.

At least for homeowners, factories would need new production lines presumably.

1. Arrogance: we especially don’t want to do it because the rest of the world does.
2. Cost: not the equipment, though that can get pretty pricey considering we up the margins on everything, but mostly labor; labor is ungodly expensive (they cry insurance or (my fave) “you’re paying for the years of experience”).

Because everything the EU and the rest of the world does is stupid. By adapting things from other countries would be akin to acknowledging that other countries can do some things better than the US. But this can't be, since the US is Numbaaa 1! /s

i don't live in north america, but this was in a house from the 1910s.