My point exactly. I could quite easily imagine my life without ever building a house. And so could everyone else. So your argument doesn't really work.
I think we both made our points and that we disagreed. No need to be obnoxious about it, you can just stop replying if you don't enjoy the convo.
But yes, if I didn't have to go to work to buy food, I would help build stuff, work on various interesting projects that would have me, etc. Absolutely no way I would stand still adding nothing to no one.
Its what universal basic income is proving, people are still productive, but how they went to be & what they like doing.