The obvious solution is to require passengers to wear helmets, as well as the drivers. But this brings us to the core of the endless helmet debate, which is tha

The obvious solution is to require passengers to wear helmets, as well as the drivers. But this brings us to the core of the endless helmet debate, which is that lots of people are deeply repulsed by wearing a goofy ass helmet and getting nasty helmet hair while out on the town. And the data shows that if you require helmets, lots of people stop cycling — in this case, people would stop using bike taxis.