There is no such thing in the US, unfortunately. We have to be careful here about what we say. In CA and some other states with anti-SLAPP laws you can write a review of any service on yelp and other consumer websites without fear of repercussions, but that's about it. Otherwise, you can talk about your experiences without identifying the real characters. There is no public platform where something can be discussed as a social issue without any restrictions and with naming names and giving all the details.