"until I realised the show was made in the 1993 – 1998 time frame, years before any of the things it was showing had happened!"

I see the use of the badges and uniforms, for example the NightWatch armbands as a thing that repeats itself in history. For example the Nightwatch armbands are clearly modelled on Nazi uniforms.

https://en.wikipedia.org/wiki/Fascist_symbolism has some other examples