If a player plays a stealth game by trying to fight opponents rather than avoiding them, then the stealth game in question isn't the problem but the player who obviously doesn't play the game the way it should be played and thus deserves losing.
Likewise, if a Cold War GSG states that the player's objective is to avoid direct conflict with the opposing superpower and grind the opponent down by decades of ideological tug-of-war, economic competition, scientific race, ruthless espionage, conventional and nuclear deterrence, political poker and considerate conduct of proxy wars, then the player trying to play it like a wargame deserves to see lots of nuclear mushrooms on the screen and would be better off playing a wargame. On the other hand, those who abide by the game's rules will have a (non-nuclear) blast because their patience in this case is a prerequisite, not a hindrance.
BTW, regarding “patience”: let's not forget that CK3 campaign lasts 586/387 years, EU4 campaign lasts 377 years and V3 campaign lasts 100 years. If players of PDX games have the patience to play these campaigns from start to finish then obviously a Cold War GSG campaign lasting 45 years (1946-1991) will not be a problem.