I don't know. I just wish people would stop thinking it's an awful franchise with no redeemable features. It's not a bad FPS, it just hasn't changed much since the first Modern Warfare. They have short single player campaigns and the multiplayer became so popular that it only seems like nothing but children and dude-bros play it because there are so many people that play it, eventually driving those not in those two categories to find something less popular to play. That's about it. Other than that, the multiplayer is fun and a test of skill. Is being "twitchy" a skill? Yes. I've actually found myself playing many games better from the coordination building that I've gained from playing CoD.
Do I agree that it's overrated? Yes, especially so far down the line. It's become mundane, but that doesn't mean the franchise needs to die. It means people really need to push the devs to change things up and innovate. Will they? Probably not, not as long as the community if filled with small minded people afraid of change because that means they will have to go back to square one and suck just as bad as everyone else.
I legitimately enjoy the games, and I no I don't just play FPSs. I do find that they have quality to them, they just need to add to it rather than rely on stale mechanics that were fine for 2007.