I don't believe that.
NHL history shows us that the Cup playoffs are a clean restart.
Not saying it would be easy, or who would beat them.
They're a very very good team.
A team will need to meet/surpass their skill, focus, chemistry.
But every season there are very strong regulars season teams, and most President's trophy winners don't win Cups.
And every season there are some unexpected series outcomes.
I don't fear them, just respect them.
and NYR, and some others, have personnel to get better goalkeeping