I think s.th. should be done here...
Also I heard Myriad saying that several mods are already considering to do s.th. about that playstyle, which is pretty much annoying for those, who want to play a normal game and find themselves being suicide attacked for nothing, game chances and fun more or less ruined...

Of course any moves are basically possible, not forbidden, I understand that...

but in combination with the below insult, should certainly be a reason for a ban:

FOUR ON TWO: CAN I PEE IN YOUR BUTT?