Yes, many people are raised to have pride in the town, city, state, country or planet they are from. It's so common and cross-cultural that I am extremely surprised you would need an explanation by the time you're capable of writing comments on the Fediverse.
Now that we have the pedantry out of the way, how is your comment meant to be helpful or move us forward? If it's neither of those things, why are you doing it? All of this is rhetorical, of course. Just food for thought for us both.