No, what’s really going on is the franchise vs. mom & pop version of corporate espionage.
Normal people with no skin in the game, beyond what’s for lunch, don’t behave this way.
There’s a small-ish subculture of afficionados and foodies, but I’ve never met anyone that obsesses over dinner to that degree. Usually it’s a byproduct of a phase they breifly went through, when they were on a kick about something.
The rare exception being the occassional young romantic couple, obsessing over the courtship rituals of wooing their hot date. This is less about the food than the date, and again, it’s yet another small-ish subculture, since 90% of everyone is undateable. [0,1]