Ironic that Herbie Hancock was used as an example. It wasn't so long ago that Mr Hancock would have been the poster's point made with synths vs real piano players. Musicians make the music. The instruments are just tools. There has always been, and will always be crappy mass produced pablum. Likewise, there will always be musicians who rise above the rest. The tools they use influence the sound, but the artist creates the experience.
Now, get off my lawn!