It all comes down to the density of the wood. Every guitar's different.
Drummers haven't managed to develop their individuality quite as well as guitarists have. We can be so focused on the nuts and bolts that we overlook the importance of individuality - the broader picture, if you will.
Each guitar has its own character and personality, which can be magnified once the player engages in beatin' it up
Obviously, a bass sounds like a bass and a guitar sounds like a guitar, but the way you play the guitar reflects your personality.
Each instrument has something to say to you. It's got its own character. Each horn has its own character and will say to you certain things. If you violate that, it's almost a sacrilege!
A trumpet sounds pretty much like a trumpet, and that's true of a lot instruments; pianos sound like pianos, but there's something about the guitar - the range of possibilities is much broader.
The SynthAxe enables you to achieve a whole world of sonic textures that you cannot get with a guitar. There was nothing like it before and nothing like it since.