>>6760001>I never understood that boomIt's not really a boom, it's more like a result of SHF being a successor of the Souchaku Henshin series. Souchaku Henshin traditionally made all possible forms so SHF tried to follow that while making the line more collector oriented (no gimmicks, better proportions, better articulation, etc.).
Obviously when they started having a mix-match riders like W and OOOs, problems with the permutations arise.