Unfortunately, the equivalent of 'going with the flow' for a dentist, would be a dentist just sort of nodding at your teeth and then telling you that while he doesn't necessarily know how to fix anything about teeth, he does understand that you think they are sore, and he's very interested in the fact that they are sore, and maybe they're sore because when you were five someone gave you too much candy. And if you ask him if he knows how to fix sore teeth he says he can't tell you precisely how he could fix sore teeth, but if you just come back every week, he'll give it a good go.

And you're right, obviously if I don't like the service, I'm free to leave. But that's not the point, is it? I took on this service in good faith. I've sunk cold hard cash into it, and for what... nothing.

It does seem an awful lot though like this forum is dedicated to people who aren't getting any service. (Because the service being sold is intangible, and ephemeral and can in no way be stated directly.)