Isn't that the whole premise of your post?  If the person who you just saw that had high ratings, and you reviewed her with lower ratings, wouldn't that give someone else pause and re-evaluate whether to see them or not.  You may be saving someone else the same disappointment you just experienced.  

Were the lady's pics accurate and representative of how she currently looks? I assume you checked out her site before booking her.

Looks are subjective.  You can't expect how you perceive beauty (or performance for that matter) to align with how others see it.  If you look at other reviewers of Princess Lexy and Blakely Banks, and you see reviews that agree with yours, you're more likely to find what you like by seeing other ladies that those reviewers rate highly.

What one person finds attractive doesn’t always match what someone else finds attractive. It will always be screwed. Write the review based on your experience, that’s what we are all here for.

Eye of the beholder  

I’d wager there are ladies you would rate an 8 or even higher in looks that may view as a 6, at best  

And the same applies in reverse

I always get told I'm a 10 in person but performances I get ranked a tad lower because of certain services I don't offer because on the ranking system but everything written about me is consistent you always have a good time! Lol

So reviews were glowing and pictures were of a size 4 lady
When we meet she was thicker and about a 10 plus
Thus my dissatisfaction
So tired of ladies using old pictures
At least my two regulars update their pictures regularly bc they’re so damn sexy

I feel increasingly less sympathy when I come across these complaints and digs about a provider's appearance and body type. If your definition of a "9" is someone who identifies as being skinny or athletic and is no bigger than a size 4, use the tools at your disposal to double check that the person you're meeting matches your stated needs. Tryst, Preferred 411, and most reputable escort review, verification, and advertisement sites have search filters for body type and sometimes even more specifically body weight down to the pound.

 
If a provider is perceived by some to be a size 4, but is really a size 6, take it easy. However, if she is representing herself to be a size 4 and she is really a size 10, report her. I'm saying that as someone who wears 12/14 sized clothing. That discrepancy rises to the level of bait and switch. If she's on Preferred 411, it's possible she's putting her profile at risk because I don't think they take misrepresentation of that type lightly.

 
All that said, trying to define the quote-unquote standards of other people is futile and doesn't actually address the likely issue of either 1) booking someone without doing adequate research or 2) being tricked into meeting a bait and switch provider. TER uses simple one or two word descriptions for numerical scores. And of course, attractiveness cannot always be adequately quantified and defined by numbers because everyone's perceptions are different. Still, who you find to be desirable and how you go about seeking them out is on you.

Signed,  
Someone's 8

That women that enjoy having sex with me look better than she would otherwise.

All this is subject to one's personal preferences and experiences.  I've heard YMMV drastically with Blakely, so I've never seen her even if you swear by her as one of your favs.