I recently had a plumber do some work on a >100-year-old apartment. I was lucky: he's a very good plumber. The job didn't involve too many "pipelines" but the

I recently had a plumber do some work on a >100-year-old apartment. I was lucky: he's a very good plumber. The job didn't involve too many "pipelines" but the knowledge and creativity required to make them work was well above what I see from most software developers. "Plumber" is not the put-down that poster thought it was.