There's a lot of emphasis on the visions people have on peyote in this article, but it never touches on the emotional effects it has, where it is similar chemically to MDMA and causes people to be highly empathetic towards others and nature in general. You could say peyote has the ability to make people ecophilic/biophilic.
At least from my experience with it, it opened up a world of emotions, some traumatic, some ecstatic, and at times listening to music made me feel the music in a very vivid way, as if the instruments were channeling through every cell in my body and made me feel intensely ecstatic and emotionally involved with the song, often inducing literal tears of joy.
The author references the point you are making: he isn't reporting on mescaline, but on the experiences reported by early western users. He too points out that they were largely responsive to the visual aspects of the drug, and theorizes why.
At least from my experience with it, it opened up a world of emotions, some traumatic, some ecstatic, and at times listening to music made me feel the music in a very vivid way, as if the instruments were channeling through every cell in my body and made me feel intensely ecstatic and emotionally involved with the song, often inducing literal tears of joy.