I will just make a few points and leave it at that -
No one wins a F1 championship with out a competitive car, not Schumi, not even Senna. A couple of races? sure, a championship, no.
When the RB was good this year, Vettel got the best out of it and won 4 races on the tot. Webber had the same car but got no where. Other times, when the car wasn't competitive, he did what Alonso did and brought home points at least when the car did't fail.
Vettel did not start his F1 career with a RB car like Hamilton did with McLaren, he worked his way into it. He had one shot after Kubica's crash in Canada in 07, he got the most out of that one opportunity by finishing in the points and being the youngest driver to do so. That got him a crappy Torro Rosso drive in 08, where again he excelled including giving them the first pole and win at Monza (and in the process being the youngest driver to do either). and outscoring Newey designed RB cars that season. Only then did he get a RB drive.
RB sported Newey designed cars in 07 and 08 but did not win a single race or even a single pole position till Vettel joined RB in 09.