So, in order to make the ultimate camera, design-wise you have to have 4 models. One left handed/left eyed, one left handed/right eyed, one right handed/left eyed and one right handed, right eyed. Or a way to modulate or reverse the camera.
One camera with two viewfinders, two shutter buttons and two winding levers!
"People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.