You can sleep in the bush, but early colonists had no idea what local plants were edible. Lots of them starved, died of thirst, drowned, were poisoned, burned t

You can sleep in the bush, but early colonists had no idea what local plants were edible. Lots of them starved, died of thirst, drowned, were poisoned, burned to death in bushfires, etc. It was stupidly dangerous. Yeah, obviously, Mars is going to be more dangerous than (even!) Australia. But that's never stopped people before.