Honestly i don't know why i see this playing as either my tank or a healer.
I have a level 42 MCH and spread shot to me is so weak that i don't even use it but when im playing my tank or healer i see other players using spread shot all the time on large trash pulls why! Does it get better with higher levels? Did i just happen to get some lazy MCH? It seems like the most useless ability ever, it works better burning down each mob