If you disable NPC voiting before loading into a save after installing Eco Lifestyle, then the only neighbourhoods with active NAPs would be in Evergreen Harbor, because that starts with NAPs. If NPCs can't vote, then only your votes will count and you can vote in what you want.
So you don't really need mods if you go carefully with that method. Once a neighbourhood has four active NAPs, it just stays that way forever, because NPCs don't ever petition to remove or replace NAPs. So if you really wanted, you could pick four NAPs you like and then apply that to everywhere in the game and then it will just stay like that forever.
