There's no way Activision has the ability to fix Call of Duty, since they make their studios working on it (Treyarch, Infinity Ward, Sledgehammer, Raven Software, Beenox, etc.) add all kinds of spyware, dark patterns, and dirty techniques to squeegee people out of money, since consumerism is falling at a rapid rate, with Gen Z people like the Android seeing it for what it is.
Here, he covers Call of Duty games older than 2019's Modern Warfare reboot that are considered to be good with clients like AlterWare, Plutonium, T7x (BOIII Client), H1, and Horizon Modern Warfare.