We're not talking about now, when he was supposedly sick, we're talking about this going back many years.
Neutral feedback to mark what happened is enough, in my opinion.
Also, many of you are taking it for granted that he was sick. I am simply saying that I have no way of checking it and that, as The Pharmacist says
No, I do neither believe or disbelieve it. In my previous feedback - that was removed, I said lack of communication is unacceptable. Even if the user logged in multiple times. It seems the log-in activity has a purpose for something - business or personal purpose, we don't know. Anyway, if the condition is not too bad, a short reply would be enough.
Anyway, I changed it to neutral and I think it is enough. Previously, I made it negatively, because I think it catches more attention from lightlord. If he missed my PM, he can miss my neutral feedback.