People in Japan thought skate culture was dangerous. Now it's going mainstream
https://edition.cnn.com/style/article/japan-skateboarding-osaka-rebels-hnk-dst-intl/index.html
Unlike snowboarding on the snowfall, skating on concrete roads can let us feel more pain, when it comes to stumbling. So, that kind of impression makes people feel scared.
Anyway, it would be necessary to ensure more facilities for skating athletes, if the population of them increases. And at the same time, safety gears should be improved to remove scare.