Player X damages Player Y. Player Y is AFK.
I find it reasonable to KOS Player X, since being AFK is not a valid KOS reason, and by killing him, Player X has either committed RDM or a false KOS, both of which are something one can be killed for.

Player X damages Player Y. Player Y is AFK. I find it reasonable to KOS Player X, since being AFK is not a valid KOS reason, and by killing him, Player X has either committed RDM or a false KOS, both of which are something one can be killed for.