Paying for past performance is what loser GMs and clueless fans base their opinion upon, e.g., resign Url, Olin, etc. Sentimentality.
Past performance is only useful as a measurement tool for future value (within this context).
A couple additional thoughts:
1. ppghat - Guano is So-Cal, so he has a natural bias and hatred toward all things 49er. He rags on their every move, their personnel, everything. It's ok, there's an instinctive bias that most California sports fans understand. Forget the fact that the 49ers could bitch-slap the Bears every which way on the field.
2. as for my thoughts on Kap's new contract, as others have pointed out, it's all relative. I have never uttered a negative comment about Cutler, I'm not in that camp, but I sure as hell know given a choice between Cutler and Kap I would take Kap in a nano-second, so in my book Kap is clearly worth more in terms of a contractual commitment. He should have a better contract than Cutler, I believe, and most fans outside this kool-aided forum believe, he will add more value and perform better over the next 5 to 6 years than Cutler. And that's not a knock on Cutler in any way.