[drtz]

Bikes actually deliver a lot of packages and food in areas where car infrastructure hasn't made other forms of transportation practically impossible, and they do it much more cost-effectively.

On the medical front, that's quite a strawman. I doubt you'll find much of anyone opposed to using cars for medical and emergency services.

[__float]

I live near a very congested area and watch ambulances and fire trucks (which are also too big) get stuck in heavy traffic all the time.

Bikes do a lot of package and food delivery here, but fewer people commuting by car would make it easier for ambulances to get where they need to.