Originally Posted by Ruseful

It's about giving the tube user a better, more fulfilling experiance with their visit. Cumshots aid with this.
It's why tube clips that are 10-12min long, and have been carefully edited from full scenes so they are in effect, mini versions, and have beginning, middle and ending (ie cumshot), have higher views and higher ratings.
Yes, ctr "May" be lower on videos with cumshot, but the the extra traffic by being front or second page on tubes should counteract the loss of clicks.