Re: Sense of proportion
"It was supposedly a picture containing a phone number. Not trivial to regex that."
OCR is something that exists... The problem being that it would take quite a bit of processing to OCR every picture uploaded... (But then FB and YT manage a significant amount of pre publish checking on video for copywritten content in videos so Im sure twitter could figure something out..
I suspect as I mentioned in another comment that the sudden surge in activity on her account because of her recent post regarding W simply flagged her account for further review meaning that her images were subject to additional checks (Either automated or manual)