Taking William Shakespeare as an example, it has long been advocated that Shakespeare were different individuals, but even those people who take this viewpoint do not consider his works to be gisho.
例えば、ウィリアム・シェイクスピアは古くからシェイクスピア別人説も唱えられているが、そうした立場を採る者でも、それをもって偽書などと呼ぶことはない。