Can you explain the fulfillment of spending the rest of your life in pressurized domes in a cold, dark, arid, lifeless, airless, poisonous, radioactive desert?
No one lives on the bottom of the ocean. A tiny number of people live in Antarctica, but no one tries to actually make a self-sustaining colony there.
And yet these places are a thousand times richer than Mars, in energy, in air, in water.
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What rots me about this attitude isn't the arrogance - it's that we have a desperately important task we needed to have started on a generation ago, and that's avoiding the devastation of our biosphere.
"That quality" you talk about allows you to ignore that, the death of all our dreams, to focus on a goal that will be unattainable within a century.
We must save the only biosphere we have only known. And yet all these arrogant powerful people are obsessed with a toxic wasteland.
It's delusion and madness.
If we can't keep this planet alive, we sure as hell aren't going to turn Mars into heaven.