There is a behaviour that since the demise of 606 has become increasingly common on Clip. I refer to knee-jerking to selective quotes, often taken out of context, to justify ill feeling toward particular drivers or personnel in the sport. For the record Hamilton has not been dismissive nor disrespectful of Vettel's talent or ability. It is simply that his comments (or anyone else's for that matter) are rarely quoted in their entirety by the media who love to selectively edit for the sake of stirring controversy and their column inches.
For example from
http://www.bbc.co.uk/sport/0/formula1/20192741 :
Quote: Hamilton also acknowledged Vettel's quality but has emphasised his belief that a lot of his recent performance is down to the car improvements guided by Red Bull's chief technical officer Adrian Newey, F1's pre-eminent aerodynamic designer.
Hamilton said: "Sebastian has been very consistent and the team and Adrian have done an amazing job in this last part of the season." End quote.
A bit more thought and less presumption before posting would not go amiss.