[dsfyu404ed]

There's a line to be walked between his decently extreme opinion and your decently extreme opinion on left turns (yes, I know this is a potential middle ground fallacy). No you shouldn't barrel on into them but they're not as dangerous as your comment implies. As like most things driving as long as you have decent situational awareness they're fine.

[pastage]

Sadly no one is perfect, building roads that allow misstakes to safely be made is vital. See the road design vision of zero fatality. https://en.m.wikipedia.org/wiki/Vision_Zero