Answer this if only the 8 weeks of the majors count towards GOAT why do they even have the other tournaments? Why do the big three waste their time? The entire season counts.
To use an analogy that would be like determining who is the greatest baseball player in history by homeruns alone. Batting average, RBI, strikeouts, defense it all comes into play. Same as match wins, titles, weeks at #1,but I think being the current #1 is bigger. You can't just disregard the other stiff. Each of the big 3 have their claims. Major wins is not the be all although it is the most important. Roger has titles and match wins, Rafa has olympic gold and clay domination, and Novak has overall domination and consistency such as each major title twice, and weeks at #1.
Let just say it is too close to call. It may always be too close to call. Novak cannot help there was no tournament at Wimbledon last year. He could help he hitting the lines person. He could very well be on 21 more than likely 20 at least.