Well, I'm being pedantic but how do you know Google tracking never once failed? It could fail 50 times a day in strange circumstances but work just often enough

Well, I'm being pedantic but how do you know Google tracking never once failed? It could fail 50 times a day in strange circumstances but work just often enough to keep the approximate trail without you being aware. In fact, I'm nearly certain that just due to the ubiquity of Googles tracking, it's vastly more likely to break than the phone services. Now, each of these have very different meanings and severity and all concern is certainly warranted but if you do, I would be interested in how you're tracking google's tracking