Related Past Discussions
The following are worth reading to understand the history of this rule and its problems:
- Dec 16 2009 — Illegal Alliances (old definition)
- Nov 22 2013 — Make Illegal Alliances Legal
- Jan 29 2017 — The Official “Illegal Alliance” Feedback Thread
- Mar 06 2017 — Free Planets in Starburst! (examples of UA backlash)
- Dec 15 2018 — MW66: Illegal Coordination (example of effort to moderate)