I'd say: report the post for plagiarism, but don't tag the account. There was nothing to gain by voting, so it's not like he cheated a contest.
+1
Tagging and flagging might be an overkill for this case. This laziness deserves to be punished though so I think that something like a temporary sig ban would be adequate.
I don't know but reporting the post will definitely end up in a ban.
Admins will see the report and it will be a straightforward case of copy paste.
Too bad for
Sayeds56 such a stupid mistake can cost him this much.
Tagging him so he will be notified I don't know if he can justify this but I'm feeling sorry for him.