I've reported the following bug of adjacency bonuses not working multiple times, but I feel it deserved it's own post because in the current state of the Iridium Corporation is completely unplayable in a competitive sense. Having NO ADJACENCY BONUSES is equivalent to having a 2000% NEGATIVE MODIFIER by the end game.
Free Market - No adjacency bonus; Upgrades to nothing;(Perhaps should upgrade to Iridium Store)
Iridium Store - No adjacency bonus
Iridium Center - No adjacency bonus
Iridium World - No adjacency bonus
Market Center - Upgrades to nothing;(Perhaps should upgrade to Colonial Bank; and should be unlocked at beginning of game to keep tech tree flow)
In conclusion, Iridium Corporation is by far the worst Influence faction in the game, when it should be one of the best. If Influence still affects Tourism Income(can anyone confirm), then it's also a huge blow to their credit revenue as well. Making them terrible at both Influence and Economics.