I posted the scene to a discussion of this elsewhere. From the no-knock warrant to mistaken identity to the bureaucratic nightmare to the utterly inadequate redress, Gilliam hit this square on the head.
Terry Gilliam moved to England as an adult. England is knee deep in bureaucratic stuff ups and Brazil was practically a documentary. All he did was change the scenery.
https://m.youtube.com/watch?v=nWbIxFKtTmE