I think in the grand scheme of things this is a fair suspension, but I'm not sure about the motivation. Telfair, Steven Jackson, and Arenas himself were involved in far more dangerous situations involving guns but got significantly lighter penalties. I have to think part (most?) of the reason for this long a suspension has been the media attention, more than the actual action taken by Arenas and Crittenton. And if Arenas can't play any more, why is Delonte West suiting up every night? Maybe it is his low profile.