Have you considered a ridiculous amount of the same item all over on your island?

[-Blue-]

I read it on Nookepedia in this article: https://nookipedia.com/wiki/Environment_rating#In_New_Horizons

I never did it myself, but how were people claiming they got perfect town by throwing down crafted firepits everywhere? I remember that was a thing apparently. A bunch of bonfires and fences and it could net you perfect town or really high. Or maybe they were just exaggerating.