On the one hand it's tempting to say that, but as a skinny, healthy, intelligent mathematician he's actually helping to improve the gene pool. Think of it this way: a mutt bitch in heat is looking for it. Better to get it from the champion stud than a feral tramp right? Genetically, that's one way how you improve a population. Have all the virile mares breed with the best stallions.  Ideally you'd select on both genders, but better one than none