well, mostly because other advanced stats aren't very advanced yet. We're in the infancy stage right now. At least publicly. I've worked for 2 NBA teams and they have a ton of stuff they measure in their "box" scores, crazy stuff, which can then be used in more complicated formulas. PER is good for coming up with 1 number to represent the info. we have recored in a box score. I like other stats as well, I wouldn't say PER is THE best. It's just a tool i use alongside other things. Just saying its not garbage bro. We all know the faults in Big Al's game. But he has strengths too, ya know? Teams have/are paying him millions every year for a reason. And PER reflects that.





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,but more AL 
