The men talked about on the app cannot see that they've been slagged off (as our British cousins would say) on this app nor can they refute any of the things posted about them. If any of you remember slam books from when you were in grade school, this is basically an online version of that.
This is a classic example of toxic femininity. https://www.youtube.com/watch?v=xIZHZ2j83D8
Well, that's bloody bad. The only way these men would find out if they need improvement, if any, is if the site gets hacked. So this hacker did them a bloody service.