If only 10% of the workload can be parallelized, then the best case parallelization speed up is only 10%. That doesn’t line up with the GP’s claim that Civ6 benefits from more cores.
They referenced the upcoming Civ7 (which does include 16-core chips on their highest recommended specs), not Civ6.
They referenced the upcoming Civ7 (which does include 16-core chips on their highest recommended specs), not Civ6.