Vettel’s tyres may have been used (in which case he would have done 1 hot lap on them in qualy), but he still had a tyre advantage. The simple fact that his tyres were *newer* means he had more grip. Add to that that he had softer tyres, he meant he had even more grip than Button. Also, necrodethmortem, they surely were on a straight – but newer tyres also allow you to brake later – which is exactly what Vettel did.
Having said all this, I thought the Vettel-Button move was good but not extraordinary.
Alonso’s on Webber, on the other hand, was proper hardcore stuff.