So, what you have said here is something that I have been incorporating into my thinking over the last few years. Without diving into politics, i have begun to realize that I may have been too quick to see malice, or perhaps conspiracy, when simple incompetence will suffice as an explanation.
And it certainly could apply when discussing international hockey (although, the other reason could also apply)
Look no further than the Sweden - Switzerland game that we are discussing. Those calls were terrible, and the tournament is in Sweden - bingo! conspiracy!
but wait, the refs missed calls the other way in that same game, and whoever reffed the game vs Finland likely handed Finland a chance in OT by not calling tripping on the empty net breakaway play.
Incompetence is ALWAYS a possibility. And one thing ill add for refs is that players screw up all the time - they get some heat for it, for sure, esp from their own negative fans. Most people recognize that they are trying their hardest, though. Refs get shit on from every seagull of every flock, and most of the time they are the only unbiased people involved. I say this as a guy who occassionally has to umpire kids ball. Good lord that is a thankless and difficult job.