By this logic, we should ban cars because 5% of drivers experience collisions every year. Or maybe we should ban Free to Play mobile apps (5% of users result in 70% of the profits). Or maybe we should ban firearms, because a small number of users harm people.
There are always risks with every industry in regards to the safety of those who participate. What is the "acceptable" number of problematic cases for a billion-dollar industry to be legally acceptable?