Being lenient isn't a bad thing for the most part but in this particular case, it was pretty clear that this was intentional and he had received three previous warnings already. Those two points alone are enough to justify the ban.
Edit:
P.S. My original post was not direcred at you, RTB. I realize now that it kind of reads like that but it was entirely directed at Plisguy and wasn't meant to say you were wrong or otherwise call you out here.
Edit:
P.S. My original post was not direcred at you, RTB. I realize now that it kind of reads like that but it was entirely directed at Plisguy and wasn't meant to say you were wrong or otherwise call you out here.