In a way, after reading his post race interview, I think this was 95% his level and maybe 5% influenced by little inconveniencies like his crash or maybe a tiny bit of fighting a virus.
He said it was hard and in the end he was done. And just looking at Vingegaard and roglic, they were done too at the finish. It was a hard climb, Remco couldn’t handle the change in rhythm and jumbo had to work very hard for half a minute, so they didn’t really have much more to give than Remco.
Everybody more or less on their level, and either things can change for the better or the worse.