Yes, because sperm is such a rare commodity, I mean, gee, where do you even find the stuff?
Get a UV light.
You'd be surprised....;D
On a serious note, I suppose men don't value their chasity as much as they should nowadays. Promiscuity used to be a practice relegated to the social margins of neurotic leftists and the more disfunctional ethnic minorities.
As a public policy matter, we probably shouldn't allow artificial insemination to anyone except married couples with fertility problems and demonstrable good character.
The highest concentrations of this substance known to exist are in 1) the male testes, and 2) hotel bedspreads.
Blue Dresses...