....Do you know what a hypothetical is?
Here, let me make it another: assuming humans will be able to colonize Vega, water will become a highly priced commodity there.
I don't need to back up anything, because this is a hypothesis.
You, howered, said the wall is pointless, which is a statement of fact.
I'm merely asking you to back that up.
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No, but we're supposed to acknowledge the reality of the system and plan ahead to address its shortcomings instead of weeping and burying the head into the sand.
Having a mass influx of unskilled cheap labour will by no means make things better, only worse, as companies will be able to hire people desperate to work for less and less so long they get something.