>>7492798>>7492832This. Certain toys aim for different things and while modern TFs have decent articulation at various price range, they're not trying to be as articulated as this Revoltech (if you can call it that anymore).
The interview does touch into this as the need to go further, that there was pressure to compete with Takara's incredible toys. One of which was to recreate the "NEVER punch" as he calls it.Yamaguchi's strength is that his priority is getting particular action poses and the articulation is just a side effect from achieving those iconic poses.