What does deafening mean

1 : that deafens. 2 : very loud : earsplitting fell with a deafening clap. 3 : very noticeable their silence on the issue was deafening.

Explanation:

aliens arent real sorry bud

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.