1. The article discusses MMO systems that players often enjoyed more during the beta phase of a game's development than in the final release. One example mentioned is the crafting system in Crowfall, which was more robust and engaging in the beta but was later simplified in the final version, disappointing some players.

2. Another system highlighted is the housing system in Rift, which allowed for more customization and creativity in the beta but was later scaled back in the live game. Players often appreciate the freedom and experimentation that can occur during the beta phase, and they can be disappointed when certain features are reduced or removed in the final release.

3. The article encourages readers to share their own experiences with MMO systems that they felt were better implemented or more enjoyable in the beta version of a game. This can provide valuable feedback to developers and highlight the importance of maintaining the core elements that resonate with the community during the transition from beta to live.