We do have to also understand that teams like this, with a lot of young talent can tend to play to their oppositions level. I know the vets we have aren't looking great either but in a short tourney like this it can happen.
They came out flying against Finland and hopefully will do the same with Sweden. All the other games in between are pretty much for getting linemates used to one another, gelling as a unit, and working out the kinks.
We all want them to look like killers every game but I don't think that is realistic. Canada seems to be having similar games too.