I've been watching hockey for 40+ years, and this is the absolute worst i've ever seen it. the Hockey Ops department is antiquated and completely out of touch with how the game is played now a days. I don't think anybody is advocating for special treatment for star players, but calling the rules the same as in the regular season isn't something that should be met with disdain from the league, it should be the expectation. Could you imagine the outcry in the US if the NFL just flat out stopped calling pass interferance in the playoffs for the sake of "good, hard playoff football"?
The playoffs, by their very nature, are more intense and competitive than the regular season, i have no idea why the league thinks it needs to try and artificially create more intensity or competetivness by letting the players get away with what they do. This doesn't create "good, hard playoff hockey" it creates a bogged down mess that if these game were played in the regular season, people would be complaining about how boring they are.
In the last 20 years, some of the absolute best hockey i've seen has been International hockey, where the rule book is called how it's supposed to be called. and the funny thing is, there's no complaining from the players, they just adjust to how the games are called and move on.