You're confusing my use of the word community in its literal meaning, with its meaning as a term in the context of lemmy as a piece of software.
I do not think that sorting people online by where they are from would help.
In fact I think sorting people online by where they are from could even be harmful, and potentially dangerous.
That the change you would make is small, does not change my opinion that it would be for the worse, nor that your reasoning for wanting to make it, as I understand it, seems faulty.