Infocards don't count rulewise, not even the faction descriptions.
For lore, sure, descriptions and infocards help understand the factions and systems.
For actions however, ID rules and server rules are paramount. The system list are part of the rules, and the zoi in the Id rules are regulated by those server rules.
Sure, Nagano is a backwater system, but then again, it is a Kusari backwater system.