One of the first things the Trump admin did was fire a lot of the inspectors general, including the one for the State Department.

I'd assume the reply you are replying to is being sarcastic specifically in reference to that event.

There's currently an (Acting) IG for State as a replacement, but I think its pretty clear how long that job would last for him if he were to actually do it.

Thank you for reminding me of the IG firings!