Read it for yourself, of course, but the five things include gold farming, elitist endgame content, unhealthy addiction, drab action-bar-and-auto-attack-based combat, and the continual bleeding of players' pockets via monthly fees and microtransactions.
The genre needs an infusion of fresh ideas to progress, but Games Radar's list is controversial. For example, a lot of people like the elitist endgame content. But maybe raiding games don't need to go away; maybe there should be new (or old) types of MMOs with different philosophies, and maybe those MMOs could co-exist with the EverQuestian standards. It's food for thought.