The phrase "pure idiocy" is correct and can be used in written English.
It is typically used to refer to something that is extremely foolish, senseless, or illogical. Example: The decision to cut funding for education is pure idiocy.
Karl Kraus called it "pure idiocy".
Arne Sorenson called the legislation "pure idiocy from a business perspective".
Lindhome plays Beatrice as the stupid, pretty one and gets some of the best lines with her pure idiocy.
Speaking to the Evening Standard last year, a Tate insider said: "Letting them go, particularly when, at the heart of your collection, you have the world's largest collection of paintings by Turner, was an act of pure idiocy.
This isn't about Trump, even though he thinks details about Isis leadership are "gotcha" questions, even though there's evidence "Veterans for Trump" are anything but, even though for every display of foreign policy sense (opposing the invasion of Iraq) he seems to have twice as many displays of pure idiocy (we should've invaded Mexico instead; we can defeat Isis by enlisting ExxonMobil).
"The legislation in Indiana (and there are some bills being considered in other states) is not just pure idiocy from a business perspective, and it is that," Marriott CEO Arne Sorenson told a group in New York, as he accepted an award from a gay rights group for his company's work on equality.
Off stage, Fulham singer/MC Elliot "Example" Gleave comes across as a bit of a broadsheet reader, but on it, he's a skinny streak of pure, bouncing idiocy.
In the pure definition of idiocy, he pushed his party's ministers to quit the coalition government.
Former Bush speechwriter and torture-thrillist Marc Thiessen has, of late, been mounting some sort of prolonged campaign of pure, mountain-grown idiocy.
Always so fascinating to unfold and unpick the series of disastrous thoughts and ideas that go into one pure moment of crystalline idiocy, isn't it?
