Engineers would win many more arguments if that was their full-time job. Who has the energy after completing a blitz to solve a highly technical problem by deadline to debate a PM who has spent months cooking up a product story?
Who are the geniuses / slimeballs at Microsoft who snatched the JEDI contract away from AWS for dubious reasons, and who partnered with Duck Duck Go, the most visible complainant about Google's search dominance, and central to the government's antitrust case that it just filed?
Wow, none of my AP teachers back in '97 offered anything close to this advice. I wonder if that was normal for the time, or if I just experienced the low end of the variance of preparation.