In his most recent post, Keen has gone into the specifics of what he finds off with Darkfall the most -- the pacing issues. While the game presents enjoyable concepts, those concepts are overshadowed by globs of downtime paired with grinding. The fast-paced action of the game is drowned out by the slow pace that the game itself moves at. Certainly the city building and politics of the game work as intended and are fun sections, but the sieges themselves move slowly as they usually feature 10 guilds attacking one guild.
Another one of Keen's issues is the lack of incentive. He gives the example that he could walk across the world and spend hours doing it, but why should he when everything he has can be found in a small area? Players aren't encouraged to get together and tackle with trust issues, they're encouraged to stay apart in their own borders.
For Keen's full thoughts on the many facets of Darkfall, check out his posts over on his blog.
