I think he puts the "Facts" out there with a grain of salt - and admits it in the preamble. They're very much a source of discussion rather than hard and true

I think he puts the "Facts" out there with a grain of salt - and admits it in the preamble. They're very much a source of discussion rather than hard and true facts. (Software engineering is a social science where experiments are virtually impossible to replicate. As such, it's only slightly more rigorous than "Facts" in History or Political Science classes.)