Yeah, whether anonymous puts a statement out taking credit

There never was, all the way back to day one. Any given "operation" may or may not have overlapped in membership. The name is literal, and always has been; but with it comes a set of meanings and tropes (the mask, "we will not forgive, we will not forget, we are legion") that a given actor taking the name can invoke as a call to action for others, or use to simply mask their identity.