Pirsig's displeasure at John's disrespect for using a strip cut from an aluminum beer can as a handgrip spacer on John's lah-dee-dah BMW -- who can forget that?

Pirsig's displeasure at John's disrespect for using a strip cut from an aluminum beer can as a handgrip spacer on John's lah-dee-dah BMW -- who can forget that? That vignette served as the main example of Pirsig's "quality" and how easily the rose-colored glasses of provincialism can distract us from seeing it.