It sure isn’t. but that just means that the browser detects a password being verified, which may or may not be caused by OGS.
I respectfully disagree with the security advice. Storing your passwords in someone elses cloud may be just as dangerous as saving them locally via browser. The only safe way is to remember your passwords. However in any case I would not be too paranoid about your OGS account 
EDIT:
it is an old article, but just to illustrate that it is not all sugar and honey with online securities:9 Popular Password Manager Apps Found Leaking Your Secrets