Facebook likely has the messages. The accusers in these episodes have been honest, and that’s why we are not seeing demands for evidence. You will not hear S demand the Facebook messages. The only defense he will use is being naive, ignorant, or having “issues he needs to work through”. If he demanded proof, then you may hear more reporting on evidence. The interesting thing is that optically, it works out best to feign guilty until proven innocent rather than challenge to be found guilty.