> EDIT: also, this doesn't explain prohibiting helmets for cargo bikes, too. I think it's a PR thing. They don't want prospective passengers seeing their brand

> EDIT: also, this doesn't explain prohibiting helmets for cargo bikes, too. I think it's a PR thing. They don't want prospective passengers seeing their branded bikes as dangerous enough to justify wearing a helmet, regardless of whether that particular bike is currently transporting passengers.