I’m guessing your point is the Finns have players who played a lot this year before this tournament. The US guys started behind, but are getting into season form now.
My understanding is that USA had a way longer training camp for this tournament than Finland did, so I don't think you can say that Finland has an advantage with that when the Finnish players didn't do stuff
together nearly as much as USA has recently.
At least what I read was that during the fall USA's players didn't have their seasons started so they were
practicing together. I can tell you that Finnish players hardly got any training done since the summer
together and before arriving to Canada they were split in bubbles of 5 players (or something, it was a very small amount) for few weeks because of covid. How do you do proper training with that?
I know that Russia's u20 has played a tournament against men and even won that tournament (EHT) and Canada has had a long training camp as well
together.
I don't think people can say that Finland has had any kind of an advantage with that stuff compared to the other semifinalist countries, quite the contrary.