all this stuff is in the chapter on Detroit in Energy Flash - but it wasn't particularly uncommon knowledge even then (late 90s)https://daily.redbullmusicacademy.com/2017/05/interview-derrick-may
I didn't realise before I read it just how much the early days of techno was a upper middle class trendy scene. Hipster kids with a lot of money, mashing together these new dance styles from across the globe...if dissensus had been around then we'd have hated it!
It’s important to keep in mind that Juan, Kevin and myself come from middle class, upper middle class families. Most of the people we associated with were upper middle class to very rich black people"
that interview with May is a goldmine of from-the-horses-mouth data in support of my take on the city and the sound