We used to get good human designs in this series for persona forms that were human but not exactly human like pic related. Now everything is the same base 3D humanoid model with random ass shit attached to it. It's obviously due to animation costs and developing the models is cheaper, since most animations are done with MOCAP due to it being quick and optimal for doing animations in bulk with renting equipment. This is heavily true for P5X and Metaphor where the party member content is all reuse. At least metaphor had something for monsters, even if they didn't design it themselves and took it from some painting. Atlus makes millions from Persona 5 alone. Can't they afford to be a little creative outside of Makoto's Persona line?