If you were writing any story in which the protagonist works with Nazis or neo-Nazis, you'd want them to face a greater threat - perhaps an existential threat, like nuclear war in the time when the USSR existed. Otherwise you'd be writing a ridiculous straw-man.

Interesting note for people who've read "Worm" - gur svefg Raqoevatre gb nccrne va gur jbeyq bs gur fgbel jnf enqvbnpgvir, gur frpbaq bprna-eryngrq, naq gur fpnel bar znxrf zr guvax bs NTV.