As a lifelong baseball fan and someone who works with data for a living the analytics revolution is killing the sport. People discovered that sacrifice bunts weren't worthwhile, but they were really fun to watch in a way that walks and strikeouts aren't. There wasn't enough respect for baseball as a cultural game.
I'm surprised that the league hasn't pushed harder for optimizing fan enjoyment in the same way that they optimized for winning.
I know less about basketball but I hear the same thing there, that 3 point shots have replaced a lot of interesting dynamics at mid range.
Interestingly, in football the analytics playstyle is more dynamic and exciting. A lot riskier and more explosive offensive plays compared to the traditional style. I wonder whether the league guided that (in terms of what data was made available, or by learning from the mistakes of baseball) or if they just got lucky.