Private companies move 10x faster than governments and Earth's problems won't be 'fixed' in any of our lifetimes. Waiting means never going. Let SpaceX cook.
Fix Earth first. A Mars colony led by billionaires is an escape hatch for the few, while climate, poverty, and infrastructure here need that genius now.
Mars is a dead rock, and billionaires playing spaceman won't save us. We need to invest that money into fixing Earth's climate before we even think about leaving.
We can't colonize Mars while Earth burns. Fix our home before chasing fantasies.