Why Is MADD Pushing Ignition Interlock Devices?
lawrence taylor has a hunch:
[...] Take a look at MADD’s 2005 Annual Report. On their list of "Corporate Donors", six corporations are listed as "Platinum Corporate Donors" — that is, donors of $100,000 or more. The first is a telemarketing company, DialAmerica Marketing. Of the remaining five, three are carmakers planning IIDs in their models: Nissan North America, Daimler Chrysler Corporation and General Motors Companies (makers of Saab). See The Truth About Ignition Interlock Devices.
Follow the money.