bunkum

Senseless talk; nonsense; a piece of nonsense.

[…] the manifold and serpentine wiles and evasions, shufflings and fencings, deceits and dissimulations, he had practised —the bunkums and the quackeries, […]

The part of that word to focus on is bunk, short for bunkum, which is what these types attack with vigor and all the obsessiveness of the bunkum spreaders themselves.

Bombastic political posturing or oratorical display designed only for show or public applause.