He smites everyone all the time forever, in order to keep it balanced. For every really inspired spell or ability added, there's another that isn't even worth the 2+ seconds of melee-time you lose for it. For every tree that grows in Brooklyn, a tree falls and crushes someone to death in Arkansas. For every awesome weapon added, one more person undertakes the Magian Trial for a horrible thing that Occasionally Attacks 2-4 Times with horrible distribution and horrible delay. For every rare animal that is shown compassion and saved, one gorilla is captured and shaved and put to work in a brothel.
This. This to infinity.
They didn't take the incentives for killing the monster into account, either. Archie the Dynamis Lord drops stuff that was never that good and he drops that stuff at a disappointing rate, Pandemonium Warden drops stuff that while awesome at 75 is more pointless than performing breast augmentation on a young boy's corpse, and the Voidwatch things drop...Oh, hey, stuff that actually makes people want to fight them; trial or no trial.