In my experience the main bus is perfectly adaptable until approximately “winning the game” (launching the first rocket). Making some broad assumptions, you need to reserve about 16 belts worth of bus width as an upper bound and that’ll be plenty for 99% of players.
It’s like the point of “most web apps don’t need distributed architectures until much later.”
It’s like the point of “most web apps don’t need distributed architectures until much later.”