Maybe some people want to steer clear of mistreatment. I sure wish I had found an advisory somewhere online to tell me that school encourages and engages in bigotry before I had invested 6 months there.
There is nothing to exempt dance schools from the same sorts of reviews that can be written about products at Amazon.com. But, if you don't want this sort of thing on your web site, I'm ok with that. I won't re-post it if I find it missing again.