Yes, but all cinema builds national narratives. Andy Millman,  Alan Partridge or Mr Bean are as important as the character Zaafir from 'Extraordinary Rendition'.

I am not at all sure that audiences differentiate between fictional or factual-related, ror even comedy and drama. An (old) movie such as Chariots of Fire is just as likely imo to change or reinforce attitudes to the 'national narrative' as anything else.

But I was speaking only for myself in saying I was not going to be looking for relevant insight to the more serious debates. There has been however a drip drip of personal cumulative cynicism from movies such as 'Wag the Dog'.

You can't be me, I'm taken