Sometimes it’s incompetence, or time constraints. Sometimes it’s deliberate, as anything to get people talking and your message traveling farther. Sometimes the sheer volume of crap your side is putting out prevents any sort of budget for professionals. Sometimes it’s Darwinian, push out a firehose worth of content and see what rises to the top.
In our town the police day shift wears the shiny bits and bobs, and the night shift is entirely flat black including even a black embroidered badge.