It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be very intelligent.
I was also about to come here and say "this sounds a lot like a checklist". The Checklist Manifesto is one of those books that should be really boring but is both valuable and well written and I recommend to everyone.
Chewing gum is largely an American phenomenon and seems to be past its peak even there. I'd be surprised if the number of gum chewers doesn't drop over the next 50 years.
I'll readily grant that the motion of the jaws is unlikely to change though, at least until Zuck figures out a way to sell virtual gum in the Metaverse.
Thank you for using a causal diagram. A tool so few understand but so many can benefit from. Cuts to the heart of the argument and eliminates all the bullshit.
-- Charlie Munger