Sorry I didn’t finish my thought yesterday then forgot all about it. Are you planning on getting a creative world if you do this?
My goal from day 1 in my original city was to let anyone and everyone plot and build to expand the city and I was just going to be a skyscraper architect for the most part. But people come and go and at certain points you lose whole portions of the city. I would recommend plotting everything yourself or limit it to a few people you are sure will stick around, then let others build inside. Maybe plot some outer sections with an alt to create a new beacon for people you don’t know well enough to give perms to the whole thing.
I have more skyscraper ideas than time to build them, but some would work beautifully for dystopian cities. There may come a time that I’ll want to join you.