Given Djokovic's resurgence in 2015 that's still continuing today, I've noticed a lot more articles finally warming up to the idea that he's already the greatest tennis player ever, or that GOAT is an inevitable conclusion to his amazing career.
Here are a couple written after the AO semi. I'd love to read more so if you find any as they come up, share them and I'll add them to the op
Australian Open 2016: Novak Djokovic greatest player of all time? Defeats Roger Federer in semi-final | Fox Sports Australia
6 reasons Djokovic has overtaken Federer as the greatest tennis player of all time | Metro News