I like Allen Dick's post today on Monsanto in which he basically says the company's products have done no harm to bee except to reduce the amount of available forage within the crops.
But due to public demand for their crops, farmers have been striving to clean up their fields of weeds for decades to help boost yields. Monsanto simply provides the tools farmers need to get the job done. It is wrong to attack the toolmaker when the toolmaker is not the source of the problem. The intensification of agricultural practices is a response to public demand for more foodstuffs and biofuels.