What’s with the above screengrab?

Over the last couple days I have begun encountering users posing as staff. The user names consist of “Staff” followed by six numbers. All but one I’ve seen have an ad for “tumblr dating” [as seen here] and nothing else posted; a like or two may be visible. They have the same avatar, and as you see, their banners even claim ‘tumblr staff.’

I am reporting each one I find as spam, because the user who is being impersonated is the only one who can make a report re: being impersonated, and we are not provided a way to write an explanation when reporting other users. I have reported and blocked 9 of them as I write this early on 2 Aug 2021.

I would very much appreciate a message from tumblr’s real @Staff regarding this alarming phenomenon.

ETA: Fake user staff403… just 'liked’ this post! Unfrickenbelievable!