To reduce the liability of the credit card company maybe, by making the process so complex and onerous that it is virtually impossible to complete a survey with

To reduce the liability of the credit card company maybe, by making the process so complex and onerous that it is virtually impossible to complete a survey without some error or omission that would almost assuredly be used as a reason to invalidate any liability for the credit card company should some bad event take place. Source: have had to complete PCI surveys from multiple vendors.