Rolling for treasure was one of the best parts of D&D. There was something really satisfying and fun about beating up the bad guys and the DM telling you to roll on his mysterious set of charts for loot.
Randomization if it exists should be optional.
It always was. DM fiat and all that, you know.
Yes, 5e should return to the noble tradition of Diablo looting!
(Yes, I know D&D did it first.)