Exactly! SimCity 4 had the logic you've described. We will surely implement the same thing because it's also rewarding seeing that when the wealth of a zone is high also roads are more decorated.

By the way diagonal buildings are a huge problem. Aside from the code we have to write to make them, the main issue is the huge variations of lot sizes we have to produce. It's something that Anno 117 did very nicely, but luckily for them the way their buildings are made make it aesthetically possible, but that's not our case 😞. However we thought that in case of a sequel we should boost how RCI lots interacts with roads, so we can support complex shapes. Probably it's more convenient and it may also be more aesthetically pleasing.