I've lived there. It's also worth noting, if you look at that article, that Tokyo has managed to build sufficiently. Up works as well as out. But up vs out is

I've lived there. It's also worth noting, if you look at that article, that Tokyo has managed to build sufficiently. Up works as well as out. But up vs out is a needless confrontation. Up and out should be allowed. Up in lots of places requires rezoning or relaxation of zoning rules.