That year was a massive outlier and there's no reason to believe it was anything more than variance.
In most years, pull time didn't correlate with goals scored at all.
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You can see the year Roy was being Roy in purple. The other colors are every other year observed in this particular study from 2019, I believe. It's the only year 6v5 goal-scoring went up dramatically.
The only thing that has risen precipitously in the early-pull era is goals against, the instant death
@Fitzy is referring to.
A study done by math professors at NYU came to the conclusion "the earlier the better" and like, no shit, the more time to score, the more likely you are to score. My criticism of the study is that it didn't seem to take into account goals against at all, which drop your win probably to basically zero with time remaining on the clock.
Let's consider the source here. Patrick Roy is a buffoon who couldn't get a second job coaching in the NHL. Even David Quinn got that.
It was always a last resort and should still be a last resort. Coaches are letting one year of data perpetuated by a terrible coach drag them around.