I can't find it now, but I remember watching a YouTube video about how the military aspect of castles was more about projecting power over the local population

I can't find it now, but I remember watching a YouTube video about how the military aspect of castles was more about projecting power over the local population to prevent and put down rebellion. This article talks about how it was also both a home security system and a status symbol. You technically had to be licensed to fortify your property. https://en.m.wikipedia.org/wiki/Licence_to_crenellate https://en.m.wikipedia.org/wiki/Licence_to_crenellate