I think the best example of this is IDE and text editor preferences. They are totally regional, programming-language subculture, and age related The proponent

I think the best example of this is IDE and text editor preferences. They are totally regional, programming-language subculture, and age related The proponents of Atom/VSCode/Sublime/VIM etc will swear by it to the level of gatekeeping other competent software engineers away from them if they don't use that particular editor, and they all do - or can do - the same thing.