No artist is without detractors. Some critics argue that Izumi’s reclusiveness is a PR gimmick—an affected posture of depth in a shallow age. Others point out that her work, while beautiful, can be impenetrably slow. One reviewer for Rockin’ On Japan called her 2024 album Mu (Nothingness) "55 minutes of expensive silence interrupted by the sound of a single droplet of water. Pretentious doesn’t begin to cover it."