Based on the premise that ball pythons will be harvested in the wild whether gravid or not would you rather have them sent here where a goodly percentage will not only lay eggs that will be cared for and go on to live long healthy lives, not all but more than most think, or would you have them all killed, gravid or not, to be used for skins and meat?
No matter what happens to the bodies in the end harvesting will not stop.
Unless of course some way of providing alternate income is created and maintained for those who hunt and sell these snakes, any snakes, in their native lands.