That is a difference of degree not kind. Without modern technology (shelter, heat, clothing, potable water, easily obtainable food) I'd quickly perish where i

That is a difference of degree not kind. Without modern technology (shelter, heat, clothing, potable water, easily obtainable food) I'd quickly perish where i sit as would most others of our species. Sending people to a planet that is entirely hostile to our existence is only a variant of sending people to Antarctica or undersea for months (years?) at a time.