You've made a distinction without a difference. Both licenses are copyleft. You choose GPL in the first place 'cause it's a more toxic poison pill vs other busi

You've made a distinction without a difference. Both licenses are copyleft. You choose GPL in the first place 'cause it's a more toxic poison pill vs other businesses. That's its function for you. By this measure GPL 3 is indeed the better poison pill because it precludes tivoization as well as going for the old hardware-and-software patent grab, too.