And that software was also written to further the concerns and profits of an adTech company. Facebook may have allowed open sourcing non critical parts of its software - every major tech company does.
Yes, and if you check my posting history, I never tried to justify my doing so was for any other reason than “trading labor for money to support my addiction to food and shelter”.
I’m not judging anyone for making an outsized salary for working at Facebook. Just be honest that you’re there for the money and not some high minded ideals.