We used to rely on "gut feelings" and old-school scouting reports to win games....

https://mag-wiki.win/index.php/Beyond_the_Clipboard:_How_Opponent_Tendencies_Drive_the_Modern_Game_Plan

We used to rely on "gut feelings" and old-school scouting reports to win games. Now, it’s all about the numbers. Teams went from using zero advanced metrics in the early 2000s to a near-total reliance on data today