Very hard! But what's even harder is fake caring and whining to the official about your legacy being at stake! Now that's GOAT stuff right there. Of course all of that pales in comparison to cheating in every match you ever played and getting away with it.
My guess is he'll finally try to win a legitimate slam by playing within the rules. Will be tough, but with the weakest era in the history of tennis, even Nadal might be able to win one fairly.
So what, Soderling beat Nadal in 2009 while Fed never did at FO, doesn't mean Sod is better than Fed anywhere. You can't ask for logic in your threads and then display stupidity.
Oh, he won Wimbledon? I remember he faced Wimbledon juggernaut Nadal. Sure Nadal went on later to lose to Rosol, Darcis, Brown, Kyrgios at Wimbledon, but once a juggernaut always a juggernaut, isn't that right ;)