You can already do this by choosing different nations.
If all buildings are customizable it will be difficult for attackers to recognize them and will lead to chaos.
I keep on seeing the complaints on this forum swing from "defense is too OP" to "offense is too OP" and I had enough of seeing this. Attackers complain about defense, and defenders complain about offense. If you think the other side is too strong, why not just join them?
DominationsTipps on youtube has an excellent spiral base design for Industrial and Global age. I've used it myself and can guarantee that it's fantastic.
I know that. I don’t consider just posting replays of war attacks to be content creation. While I do enjoy watching those, Arashii’s vids are obviously well thought out, edited, and overall just enjoyable to watch. I wish there were more!