Shaving = bad conversions = bad business (well atlest from webmaster/reseller point of view). I would think most webmasters would hate to see conversions rates which are close to 1/3500+ - since it will mean a longer time before they get any signups in their stats, and they will probably get to depressed while reloading stats... today lots of signups make most webmasters/resellers happy - just think of when the e-mail programs began and webmasters were saying "I convert 1/10 and get paid $0.25/signup - wohoo"...
The overall value per cc signup is alot lower than 1 year ago, and it will probably continue to loose value with new cc rules, more scrubbing, smarter surfers etc.
As I see it, then webmasters/resellers have 3 choices:
1. Get paid unreal ammount of money per trial signup and get shaved and have really bad conversions
2. Get paid real ammount of money per trial signup and get good/honest conversions
3. Just look at the bottomline each month
Newbie webmasters are fewer and fewer, so the "get $1000 per signup" programs doesn´t seam to pull the same ammount of traffic as they used too... now webmasters want to promote sites that convert