You can't have a decent interview with a person with zero personality, charm or charisma. Plus Rossy isn't exactly the best interviewer in the world, since he's always a "huge fan" of who ever he's talking to.
Hamilton started his F1 career as a big headed ******** and it didn't wash with a lot of the British fans and he's been trying to repair the damage ever since. Now, every opportunity he gets to be humble he uses, but it's always faked and he just comes off worse for it.
Really he should have continued in the same vein he started his F1 career in and he would have become like a British version of a certain Mr M.Schumacher, everyone would have hated him but at least his true personality would be on show to the public instead of this fake humility he's trying to convey to the public.