“Note that $1300 an hour is more than a surgeon makes.”
Visit any surgeons home in America and then look for a “plumber” that is as rich as him, Not a business man that owns a Plumbing business, but just a working plumber.
Part of the prejudice here is that many on this thread cannot separate a workman from a successful business owner that may have started as a blue collar worker.
What prejudice? I don't see any sign of an anti-plumber prejudice on this thread. How would it even be possible to be prejudiced against plumbers?