Even for fairly straightforward sexual assault case in a liberal jurisdiction with witnesses I've watched a friend struggle with members of the justice system verbally insulting and degrading them as they try to obtain justice for themselves.
Having seen all that when I see a post like this I understand why the author did not go to court, and don't question it. If we took the time to actually fix the courts I'd be much more skeptical of claims that had not been presented to law enforcement.
I feel for people like your brother who are victims of people abusing the trend, but as long as our justice system fails victims so horribly I think this is the least bad solution available.