Most people in my area don’t have garages and we get well below freezing in the winter. Yes we use it for defrosting and getting the car a little warmed up prior to driving to work in the morning.

Or the opposite: cooling the interior to a survivable temperature.

Gasing your neighbours and every living beign on a 100ft radius. I can't stand drivers that idle their cars while they're gone doing other stuff. Remote start should totally be a subscription feature, before it gets banned or regulated. Why? Because it's very annoying.