Because that saying originated as a US bourgeois thing, people willing to liberate themselves from really caring for the other (much poorer) people living just besides them in exchange for writing some code. Just look at the streets of San Francisco, for example, not much sharing there.
And before someone mentioning that people like Torvalds and such other open-source luminaries are not technically Americans, they’re Americans in spirit, and by this point they’ve already got either US citizenship or a US green card, not to mention the hefty comps coming via US tech colossuses (either directly or indirectly).
As the original article mentions, the secret to all this tech non-sense is to log out and experience life, while always remembering that Uncle Ted was right.