Djokovic will end up somewhere around 13-15 at max. 15 is actually a stretch. Murray is getting better and will surely have a period with next 2 years where he wins 2-3 slams. I am more interested what happens when these guys cross age of 30. The younger ones have talent but have too many errors in them. So, it is difficult to see any one or two only of them dominating and Djokovic-Murray in that case can still win then. I will never write-off Rafa till he retires. He can still win one. Want Fed to win 1 more too but that is more of hope.
The hate for Djokovic is laughable though. Murray himself uses game slowing or other tactics, pretends to be unfit etc when things don't go his way. Also, Murray is no choker. He actually did very well to take it to 5 sets. Djokovic, when he retires is going to be among the GOATs. Murray, though a v.v.good player, is clearly a step below. Still he has done fantastically well to win 2 slams and regularly make later stages, so that should be appreciated. He should win 3 more slams and 5 slams after having played at peak of 3 GOATs is going to be good achievement.
The claim of 95% tennis players take drugs, without any factual backing or even some informative 'insider' article is ridiculous.