Let's take a Praetorian for example. From the CE shotgun Swordbreaker, it takes around 4-5 shots to kill a Praetorian at point blank. By the time I get close to killing one, the Praetorian has already gotten off 2 melee's and I'm dead. However, with the shotgun buff coming Praetorians are, in a matter of terms, screwed so far up the ass they might as well no spawn in.