I think people underestimate how much training Federer (and Nadal, and Djokovic) need when in peak form. They have absurd talent? Sure. But to be able to play at an absurd level day in, day out, for weeks and months, you need to practice like a dog. And to practice like a dog, you really need to want it. Federer never got back to where he got in the first quarter of 2017. I can see him lacking both form and motivation, but obviously I can only guess. That his level of play has dropped immensely is obvious. The occasional glimpses of brilliance will always be there. The consistency, however, is completely missing,