Earlier quoted context omitted.
The claim of the article is that we never see regular people with ordinary jobs except for "police precincts, crime-and-forensics teams and legal-medical-Beltway dramas". The counterexamples you came up with are shows where the characters are police, politicians and drug dealers, and you had to reach back to a show that has been off the air for 8 years to even find those. Doesn't that kind of demonstrate the article'…
An obvious counterexample is the sitcom "How I Met Your Mother", which featured an environmental lawyer, an architect (turned college professor in later seasons), a teacher, and a news reporter.
Other than a few episodes where Marshal (the lawyer) contemplates a job he doesn't love to pay off the massive consumer debt accrued by his wife (the teacher), the money problems and job tradeoffs on the show are very much in the classless hanging out genre the article describes.
Even the consumer debt is from spending on luxury goods, which is surprising for a teacher supporting a law school student in New York, ostensibly the arrangement in the first few seasons.