I am not sure that copyleft (GPL and co) maximizes societal freedom. We would have to weigh the "patches acquired by court" versus the "would have contributed

I am not sure that copyleft (GPL and co) maximizes societal freedom. We would have to weigh the "patches acquired by court" versus the "would have contributed but rejects viral code" cases. Since the latter cannot be reasonably measure, we are stuck in discussion based on beliefs. Personally, I believe the GPL virality hurts more than it heals.