To be in the good graces of hookers, so they will show you good time..  

 
I have been asked to write reviews many times, and I have obliged, but it was never a fake review nor was it an over the top review.  I write my reviews more like an accident reports. Matter of fact.  If you have ever read my reviews you would know.  

 
Shilling is a part of human nature. Some people just have it in their DNA.  It's not just germane to P4P world, but you can also see it in corporate world.  When I used to work in my W2 job,  I came across many folks, a lot of them mid level managers, who tried to schmooze their way to success.  If you have a good leader he can see right through it. Usually such folks have poor understanding of the subject matter so they have to compensate for  it by kissing ass.

Some people like to write. A shill post (or ANY post, even this one) is such an outlet.
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There is logical discourse, ethical discourse, emotional discourse, ... and other justifications for communicating "shill" (or any) info.  
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Some just want to be Good Samaritans.

Do you mean writing glowing reviews or do you mean endorsement posts in the forums?

I actually got lost reading this because none of what's been written comports with why I would "shill" on TER. First, if and when I shill, it won't fit the actual nefarious definition of the word, it would be simply as an advocate for a girl who provided great service that I think other guys in my area would appreciate, and for whom I otherwise can only write an AMP review.
   
In other words: to me, the logic of shilling is to get the word out to fellow local mongers about a hooker that's got me hooked!
 
No?

Shills are regular hired folks in some businesses, such as circuses and horse-racing (called touts there).  They are hired and paid to direct customers to the business -- advertising expense of a personalized kind.  Another word for shill, these days, is Influencer.  Nothing new about the practice, nothing special to this business/hobby.  
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Please understand and keep the distinctions between a shill, who is hired and paid (perhaps not overtly or visibly, of course), a simp who is not paid (but hopes for favor), and an enthusiast.  

and when it comes to pussy, a lot of the shilling that goes on here is to keep a girl the shill likes in his town, so she won't leave and go to another venue.  There is always a market for the "new girl", but girls that stay primarily in one place will usually see business slow-downs for one reason or another (sometimes because there IS a "new girl" in town that everyone wants to see.  Touring girls, especially, will oftentimes extend their time in a city if business stays good.  If she has regulars that want her to stay because for them, because "she's the one", shilling and networking with other mongers is a good way to help keep her business brisk so she will stay longer.  It's not really complicated.  

thisisalloneword1234
The provider was trying to get more  reviews in order to up her money and Client list.