Earlier quoted context omitted.
I think this captures the most important points. I was just thinking about this: Would it kill guitar makers to stop copying the Strat and [P|J] bass? It is wild that the earliest guitar designs are still ubiquitous / the most popular types. For anyone not familiar: The matter is not about iterating on these original designs; there's lots of that too, including by the same companies! It's about instruments that are e…
In terms of ergonomics, resonance and so on, there's not many terribly optimal solidbody electronic guitar shapes that deviate from the Les Paul/Strat/Tele trinity. Explorers, Flying Vs and the like are basically genre-oddities for aesthetics. Guitars are not about aesthetics, otherwise Fender wouldn't have marques like Squier or ranges like Highway One to differentiate their low-quality tiers.
My wife used to work at Acoustic Guitar magazine. She said the most common sales line to sell a guitar at Guitar Center was "it looks good on you". The sound of guitars might not be aesthetics, but in regards to sales, it most certainly is. Everyone plays the same guitars because they grew up seeing their idols play those guitars.