I don't understand your perspective. He had an experience and painted what he experienced into a self-portrait. "Associating [...] styles" with drugs isn't the

I don't understand your perspective. He had an experience and painted what he experienced into a self-portrait. "Associating [...] styles" with drugs isn't the same thing. He sees what he sees and he paints it. I read you as accusing him of insinuating something like "Picasso is Xanax" which isn't the case. In short, he's neither implying nor creating this association, he's simply putting what he sees on canvas.