If girls are promoting BBFS on their social media, then sure it's totally fair game here. But when does that ever happen? Although I've seen it, it's incredibly rare, and if they're not publicizing it then you don't need to be a rocket scientist to know they're gonna want to keep it private.
And they'll want to keep it private for the exact reasons you're saying: they may not want to do it with most of their clients. But I guess these guys are so obsessed with their forum rep that if they get BBFS from anyone they have to immediately let every client out there know, and since they say they're all bitch hoes anyways then who gives a fuck about any problems it causes them?
No one is saying you can't say anything bad about the girl. But in this case he himself says he got the service and he's never had a bad experience with her. Sure you can say something bad regardless... just say your piece and move on, but just review this thread alone, let alone in others, and behold the sheer number of his posts attacking her and the increasingly hysterical tone of his complaints!
If you just keep on bashing the same girl over and over and over again well now you're just looking like a completely obsessed stalker executing a personal vendetta. It's not a good look. Personally I don't think we're in such dire need of hate. I don't know this girl at all, I'm just trying to make a case for ground level human decency.
For the most part I have a great time with these girls, I really want them to stay in the business and I feel badly for all the shit they have to put up with on the job and in this forum. If someone claims that makes me a simp or a white knight that doesn't bother me in the slightest.