Either a) some is blindly trying to recover account passwords via reset attempts or b) someone is mass-mailing people.

How is either of those things if it is actually real and happening "unsubstantiated"?
It's one of the two. I got the mail.

Something is happening by people who are not well-willed towards normal users, I posted about it.

You on the other hand are just being a dick about trying to tell people to be vigilant/safe.