Inevitably, there will be some mechanic or feature that works against the long-term health of the game, despite being fun for some, and it’s either the game or the mechanic.
It’s common for many gamers to believe that fun for them is fun for everyone, but balancing fun for multiple parties in a multiplayer game, where losing has to be fun, too, involves a lot of tradeoffs.
Fun is different things to different people.