In my book, BMW Sauber was a step back from BMW Williams, who had Montoya and Ralf in the cockpits. The talent was there with Kubica, it's just that BMW Sauber couldn't supply him with what he needed to win. Kubica is definitely on the same level as Massa, Kimi, Alonso, Hamilton, Vettel, etc.
Stop putting stuff like painted reflectors and premium package in your signature. You're embarrassing.