Lynch's long ban, ump bumps and club's injury stock take

Richmond's Tom Lynch has been handed a five-week suspension for his strike for Jordon Butts, what message is the AFL sending to its players with the longest ban of the season? The AFL is also cracking down on players’ careless contact with umpires, is this a bit harsh when very few of the offenses are deliberate? Plus, how are teams handling their injury list and how will it affect their finals preparations?