Kind of the issues with those kind of things, teen outside of US means 16-19, T rating in america is already 13, this causes a lot of immature 16 year olds that think they're all tough to pick on younger people. Although 70 viewers sounds made up for a first stream (takes a long time of streaming to reach this, new viewers should be happy with like 5-10 viewers in the first few weeks) my tip would be for him to start moobot so he can ban all the bullies.