To clarify, my comment was that even before relicensing, launchd was under a less restrictive license than the GPL -- the APSL allows for binary linking -- but

To clarify, my comment was that even before relicensing, launchd was under a less restrictive license than the GPL -- the APSL allows for binary linking -- but had clauses that didn't allow people to GPL their code. By the time launchd was relicensed, ubuntu had already released upstart, and another init replacement so quickly would have alienated people.