It's not so much as a debate as the maintainers and legal people saying "hell no, their code is incompatible. you'll have to do a clean-room implementation for

It's not so much as a debate as the maintainers and legal people saying "hell no, their code is incompatible. you'll have to do a clean-room implementation for it to land", and some people saying "but we really want it." Plus, there are the usual "GPL is bad" trolls.