The song is a bit cynical for my tastes, but it seems willfully obtuse to not be able to fathom why someone would be very frustrated with many aspects of modern Christmas.

He hasn't written anything for decades, but Tom Lehrer wrote satirical songs about any number of topics.

Tom was also a mathematical lecturer.

"In 2001, Lehrer taught his last mathematics class, on the topic of infinity, and retired from academia.[21] He has remained in the area, and in 2003 said he still "hangs out" around the University of California, Santa Cruz."

via Wikipedia.