His works are characterized by conspiracy theories and highly accusatory and vulgar attacks, often making use of conglomerate phrases like "Mad Deadly Worldwide Communist Gangster Computer God"[1] to slander people, groups, or companies that he believed were engaging in electronic harassment against him, and gained a cult following from the mid-1980s onward due to his comedic incoherence.

[5] He remained within the United States for the duration of the war, periodically moving between bases, at one point being assigned to Yuma Army Air Station.

[3][6] According to Dec, the Worldwide Communist Gangster Computer God was the product of an ancient Polish (Slavonic) civilization which it subsequently drove to near-extinction.

[8] Jeffrey Sconce analyzed the written works of Francis E. Dec in his book The Technical Delusion: Electronics, Power, Insanity, within a chapter discussing the phenomenon of targeted individuals.

Sconce also states that "Dec's screeds are emblematic in their careening, amplified panic over imperious yet chimerical powers that seemingly are everywhere all the time and yet can never be fully confronted or understood.