My take away, after the fact, was that he may have been someone who enjoyed landscaping his own yard and owned several tools that I listed. Nothing to do with his career and services, and nothing that's a reflection of our interaction.
The story wasn't meant to be a win or a competition. It was a reflection on how some people associate some loud sounds, such as motors, as being perfectly fine and other loud sounds, like children at play, being a nuisance.