Baseball isn’t about winning the World Series. Unless you want to switch teams 1/2 of baseball fans will probably never see a World Series win the next 50 years.
It’s about being competitive and is there to give you hope, which is meant to be crushed. There’s a lot of fun narratives all season, follow players and stats, minor leagues etc, then it’s a lot of fun to bask in the misery of other fans being crushed every year. Enemy teams like the Yankees and going forward, the dodgers.
You can’t blame these crappy teams who are bottom dwellers for abandoning watching all together, but I wouldn’t be surprised if alot of them have 2/3rd teams they support