I imagine if my occupation includes carrying a gun, interacting with citizens, and a historically high rate of extrajudicial deaths amongst people I am supposed to be protecting. A publicly accessible camera would be beneficial to easing the minds of those I interact with and providing evidence for any actual instances where I felt my life was threatened.

It might be similar to a Motte and Bailey Fallacy. Though that one is more focused on distinct but related definitions than it is for distinct but related situations. Not the exact one that you are looking for, but the related concepts might be a path towards an answer.

https://en.wikipedia.org/wiki/Motte-and-bailey_fallacy