I say unusual in the sense of Japan seems to be the only one to have solved the issue of how do you transport 2 kids on a bike not with "big box" like the dutch and subsequently the entire western world but via 2 seats, they're apparently very popular over there as a means of transportation.
Exactly. I think the argument that some people have against helmets comes from an argument against victim blaming cyclists murdered by drivers, but then ultimately gets twisted into wild shit where people just come to Bizarro conclusions.
Even in a world without cars I could still hurt my noggin if I fell off my bike, so I don't get this line of reasoning at all