This experience really made me step back and think about humanizing design.

It also got me thinking about stereotypes and the way I classify people as I walk down the street.

Is it really about humanising design? The man's expert knowledge came from very specific experience - despite the fact that you're a long time bike rider, he still had many tips and tricks to show you that you were unaware of.

Maybe the real lesson is that good design comes from experience more than theory?