"Let's give up on our policymakers doing anything constructive at all...

No, that's not some crazy right-wing talking head. That's Change.org on USDA's pending redo of the food pyramid:

If the administration can't resist the power of industry in this one small instance, let's give up on our policymakers doing anything constructive at all when it comes to the bigger battles like the Farm Bill. But we shouldn't judge too soon; the pyramid's revision isn't done yet, and maybe the USDA will hold firm ....