Yeah its possible but you'll have to give up freedom. We already have "15 min cities", it's called a military base. Everything is supplied to you but you don't

Yeah its possible but you'll have to give up freedom. We already have "15 min cities", it's called a military base. Everything is supplied to you but you don't really have any choice. I wouldn't call those places walkable. 15 mins is 1.5 mile radius.