More people on bikes means fewer cars. Coupled with frequent public transport means that your ambulance will not be stuck in traffic and that the bus that lets

More people on bikes means fewer cars. Coupled with frequent public transport means that your ambulance will not be stuck in traffic and that the bus that lets you not be homebound will take as long as the car you currently drive to get to the same places. And if you still need to drive, you will still be able to, it just won't be the only option available.