I think it's that unlike other industries, simply giving up and letting DRM control farming is kind of scary.

The people who care if you're allowed to flash the firmware on your bluetooth earbuds are few and far between, but the people who dislike the idea of some remote party being able to use math and law to turn off food production... That's pretty much everybody.

So they're all money grubbing capitalists. But as money grubbing capitalists go, these are among the bigger threats.