Move to that country if you want to go in excess of the posted speed limit.
If you want to break the law, break the law and take chances of the consequences.
Or, drive like they want you to drive, and be safe and be within the law.
If he wants the support badly enough, he could hack the game and make it support it. He could “break the law” and then either get away with it, or not. He has that choice.
He’s not doing that though, he’s petitioning the government to raise the speed limit because he bought a sports car. It doesn’t matter what posted speed limits are in other states or countries, the place where he’s driving his car is the only one that matters.
Comparing one games rules against another games rules to try to prove a point doesn’t achieve anything. You’re comparing apples to oranges.