My understanding is that both bizarre delusions and mundane are both fixed ideas which do not respond easily to persuasion or mitigation.
Thing is I have non-bizarre delusions. Ideas of surveillance from parties which do routinely put people under surveillance. I find these thoughts so hard to challenge as they are easily possibly true.
Compared to a bizarre ‘out there’ thought which do you think is easier to dismiss.
I think I have cognitive dissonance - I can dismiss the beliefs yet 100% believe them at the same time.
Tbh the notions of government spying on me are totally fixed. Have learned to report otherwise so that I don’t attract psychiatric attention but really I believe they have teams of people following me
I had a fixed delusion which was entirely possible to be real but I have found scientific evidence that it is not true. Even so, I still battle with whether it is true sometimes.