>>10607120>>10607288this is not the first time this theme came up.
I personally thing that in very rare cases, they really could make the curve.
I don't know, but aeralight custom's torsos look very much how I'd imagine it should look if lego ever decides to ditch the waist print as a visual representation of the thinner waist-line.
It's a very small indent so there needs to be almost no structural difference anywhere else on the fig.