Large scale colonization of Mars would require multiple inventions. We know this because we have a good understanding of what a successful colonization of Mars

Large scale colonization of Mars would require multiple inventions. We know this because we have a good understanding of what a successful colonization of Mars entails, and have a pretty good idea of the main technical obstacles. AGI, on the other hand, might be one breakthrough away or two hundred breakthroughs away. We just have no idea what makes intelligence tick.