There's major discussions in the FOTA/FIA on how to assist in overtaking and lo and behold, we have viewers commenting on 'it's only natural to overtake slower cars'. The fact is, it's bloody difficult to overtake a car in a race. Why else would FOTA/FIA keep introducing rules to aerodynamics if overtaking was a piece of cake?
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This is quite true. Vettel had a much faster car than button (as proven by Webber's and Vettel's clean air laptimes) but vettel did most his overtaking in the pits, Was stuck behind nakajima for a fair chunk of time before kamikaze boy took him out (I like this kid though, should get a gig in F1, doesn't give up spots like most rookies, actually fights for them) But I digress, Having a quick car doesn't instantly mean you can pass anyone easily.
Button's overtake were no easy task and you shouldn't discredit any of them, they were all quite brave and potentially race ending if something had gone wrong. Took some real ... manhood to do what he did.