Earlier quoted context omitted.
In the latter, while you can't build a building zoned for multiple uses, you can certainly very much blend zoning very thoroughly, alternating commercial and residential buildings as you go down the street. Of course, the simulation likely isn't sophisticated enough to make full use of that (people will travel across the entire map to go shopping). I can also understand from a gameplay perspective why this is the cas…
It's very much because of gameplay issues. Theoretically the computer can simulate whatever model you can dream up, but the much harder problem is the user understanding, visualizing and editing that model with an easy interface that feels fun like playing a game, not tedious like doing your taxes in Excel or rigging skeletons in 3D Studio Max. Think of the number of extra user interface panels and gizmos and views a…
Or you can change the zoning into japanese zoning, where the UI can stay simple as you escalate the permission level of a zone. https://code.uberinternal.com/T2597239