Yep, the uniform seems to be a thing. However, the experience of social struggle is a thing too In France, after the police making their job (using gaz and punching people in struggle), firefighters fight back. This append several time, and have impact on public opinion (and main media bougeoisie)

https://www.huffingtonpost.fr/politique/video/pendant-la-manifestation-des-pompiers-les-images-des-face-a-face-avec-la-police-indignent-l-opposition_153166.html