It lumps together investment banking, a high-tech and pretty high-skill business, with estate agents, where knaves with badly written brochures still prosper.
Hebborn responded with blame experts were fools, dealers were knaves, modern art was a talentless sham and set out to prove his case by defrauding everyone.
Perhaps therefore it is not surprising that the politicians should tend to behave like knaves and rapscallions, anxious only to steal as much as possible as quickly as possible.
Mencken embraced his elitism and used his perch to laugh heartily and acidly at the knaves who called themselves public servants and the fools who repeatedly voted them into office.