If your patented robot walks onto my land and starts doing my bidding, I'm suddenly at fault? Crazy. Don't forget - their seed contaminated his pure strain. Wh

If your patented robot walks onto my land and starts doing my bidding, I'm suddenly at fault? Crazy. Don't forget - their seed contaminated his pure strain. Why shouldn't he benefit from their sloppiness? Is he supposed to suffer the contamination and not, at least, gain from the traits of the new strain?