That’s not harassment. He did you a solid because any sane person would rather move their car than wake up in the morning, figure out where their car got towed to, take an Uber, and pay $150 to get it back and $50 for the ticketed offense. Couldn’t there be a lot worse people banging on your windows for a lot worse reasons?

I know you’re a secret engineer too - I just would guess it wouldn’t be in the field of civil.