On the one hand, it helps the potential client who has a need to see someone who does something specific to their liking, and helps him meet providers who perform that.

On the other hand, it protects a provider who does not perform certain things from coming up against a client who expects it, thus avoiding that unpleasantness.

I don't doubt that a bit of mystery helps the romantic juices now and then, but I think there is still enough mystery to go around even with the graphic reviews.

As for fucking up a good thing, I guess I can't disagree with you on that.