I understand how a PDO is generated, but the idea that it can "measure" something as subjective as luck seems ridiculous. What is luck? How can any statistic account for it? Clearly some teams are lucky and some are unlucky at any given time. Entire playoff series (and even championships) can turn on this. But no statistic could tell you how to quantify it.
If you listen to any Oilers' executive talk it becomes clear that they feel their luck is bad, that things haven't gone their way.
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