I disagree. Senior professionals might have a better understanding because they have spent a lot of time drawing, but the specific tool is not relevant.
It is like saying that playing tennis with a wooden racket gives you a better "feel" for the ball and therefore is preparatory to using modern rackets. No one does this because it is not true.
A similar line of thinking was popular in jiu jitsu, where veterans said that being competent with the gi was necessary to be competent in no-gi. Yet current no-gi winners basically never train with the gi.
A similar line of thinking was popular in jiu jitsu, where veterans said that being competent with the gi was necessary to be competent in no-gi. Yet current no-gi winners basically never train with the gi.