I would say that any rate which was worth it to a client is worth it to them. For the providers who have premium rates and can sustain that, then clearly they are worth that rate (if not more) to their clients.
More power (and orgasms) to them.
No lie there. A former neighbor of mine got busted and will basically be spending the rest of his life paying back out of the hole he got himself into - and considers himself lucky for not having to do prison time.