There are quite a lot of wrong things with just the tutorial island. They're all small, but it makes me not want to play because the time wasn't put into it to fix these things.
-You can talk to NPCs through doors/walls/etc
-You will walk through doors/walls when opening doors, or trying to talk to an NPC
-Interfaces will flash open and then close the first time they're being viewed
-Smithing items on the interface won't turn white if you can make them
-It takes a long time to perform an object-related action
-Dialogue NPC heads are too big
-If you click and walk to an NPC, you won't always talk to them (IIRC anyway)
-There's a giant rat in the fence around them
Like I said, all small, but please take the time to fix issues like these because in my opinion, it's the small things that matter.