There'd be less opportunity for fatal crashes due to the surface area between cycle paths and car paths being reduced. This would literally mean that it'd be safer if there was better infrastructure.

Proper bike infrastructure isn't just extra lanes next to cars. Typically "proper" includes things like protective walls, and bridges specifically for bikes + pedestrians separate from cars.

It is entirely possible to design bike infrastructure that removes car impacts from the equation - we have the technology, we only lack the political will.

An asshole NYC driver can kill a pedestrian with ease too. Do you feel unsafe walking on the sidewalk or crossing at intersections?

Why is that? Could it be because of good grade separated pedestrian infrastructure and cultural norms that protect pedestrians?

Proper bike infrastructure is for example a line of trees between a cycling path and a road. Or a moat with water and angry homeless drug addicted goose. Reading the comments here makes me think drug addicts in the streets work quite well as urban planning tool is US.