Child abuse preventionis paramount. To me it always has been and always will be.
If any coach is not doing everything they can to set standards and prevent such abuse then at the very least they need some re-education.
This video is one of the best and most comprehensive that I have seen on Child Abuse prevention and its application to every sporting activity including judo.
It goes for an hour and it directed to a USA audience. For those of us not living in the USA Take special note everything except the emergency number (000 in Australia) that you call in as relevant to us.