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It seems that it is more based on individual plays that stand out as frustrating
I do wonder if he falls into a hole with fans in that many assume anything good about his outcomes must be due to playing with McDavid and Draisaitl, fair or not
A lot of people don't discern how to evaluate hockey. Darnell Nurse will be seen to be involved with some mistakes in a game because he is innately involved in so many plays and is so active and covers so much ground.
The wrong deduction from this is that Nurse is around miscues. For a D hockey is a complex rock paper scissors game as opponents try to beat you. So that being a 1D on any club involves a lot of times you are beat.
Its the wrong way to look at it. The correct way to analyze D is how many stops they make in a game. How often do they stop rushes, seal opponents from puck, Take pucks away etc. D should be looked at in terms of their positive contributions and watching to see where they are made.
In contrast lazy viewing is just focusing on D instances where they get beat or give up a chance. Which happens to all D and which happened a lot even to Bobby Orr when he was playing the Canadiens.
Darnell is a sound 1D and we are lucky to have him. If we ever win it all he'll be the most important player on the ice.