This is a disingenuous framing. I've "built" more in academia than in some jobs I had, and some VC-backed startups are renowned not for building but for their lack of ethics.
"Building" is not the discriminating factor.
Earning money is not curelated with usefullness these days. It is somewhat correlated with lack of ethics.
Grigiri Perelman, who was awarded the Fields Medal, notoriously refused the prise because he stated no other recognition was needed.
There's a reason that so many open source builders and contributors are unemployed people in social-welfare European states. There's a reason that nearly every great work in the English canon was written by someone who was on the dole at the time, from Nietzsche to Harry Potter.