There's no 100 hundred percent guarantee that any session will be as great as positive reviews or as terrible as negative reviews. Luxury soaps might have better rooms or hospitality, but at the end of the day, it's just as possible for a luxury soap session to be a bust as it is for a regular soap session to be a bust.
Having a flexible mindset and being able to communicate well with providers will do more for your own experiences than going off a "Recommended, will repeat" or a "Not recommended." I feel it's better to view reviews as a reference point to make your own conclusions about a provider you're curious about. For example, Asahi at Bijin Kenkyusei has been a fantastic time for me, but while Kiki was very well reviewed at the same store, I felt we didn't have that same spark that the reviewers did. I don't regret going, but it IS a reminder of keeping your expectations in check, imo.