Totally incorrect. Stats ARE the black and white thinking. They are merely a numerical compilation, nothing more, nothing less. No nuance, strictly open to interpretation.
The fallacy is that the numbers from one team to another, one line, one player, have equal value when used to compare and contrast as evidence. Hockey has the greatest variance of events on all of sports - players come and go during live play and leave impact on active play even from the bench. The sheer amount of data necessary to get an accurate picture of events requires far - FAR more study than the few generalized calculations folks use to develop opinions.
That simply isn't so. No two teams play the same, line combinations change, situations change - the numbers on hand do not include the situational variances.
Expected goals, Corsi, all ridiculous. Good hockey teams score more goals, allow fewer and generally show a greater sense of control and consistency than poor teams. The problem is that the thinking became "if we improve our Corsi or xG, we will be better". Corsi is a product of playing a certain style of hockey - its value is next to nothing because other teams with different roster makeups different goals and different coaching styles can accomish the exact same results while playing wildly different brands of hockey that spike differing types of statistical numerations.
Our light-thinking general manager just embarrasingly said that the Kings need to get their expected goals against numbers to more closely match the actual goals against. That is such bullcrap. The Kings need to defend better - ALL stats are products of play, not indicators. The goaltending here has been poor, defending even worse. The roster makeup isn't going to be reflected in the data.
Stats are a crutch, thats it. Something to lean on for support.