That might be true for the particular recording equipment that was used, or some of the old-school VFX tricks, but the drawing and animation techniques are pres

That might be true for the particular recording equipment that was used, or some of the old-school VFX tricks, but the drawing and animation techniques are preserved in the final product. And as evidenced by the long history of independent 2D animated movies put out by auteurs, it doesn't seem like there is any problem innovating new recording or movie making techniques.