This may not be the worst (professional, major record label) video of all time, but it certainly makes a strong bid for the title.
Do you have any suggestions for worse videos?
Daniel H. Nexon is a Professor at Georgetown University, with a joint appointment in the Department of Government and the School of Foreign Service. His academic work focuses on international-relations theory, power politics, empires and hegemony, and international order. He has also written on the relationship between popular culture and world politics.
Erasure upped the ante with this
https://www.youtube.com/watch?v=eSMeUPFjQHc
Despite all its orientalism and pathetic special effects, Always enjoys higher production values and better camera work. Lay all Your Love on Me features gold suits, incoherent cinematography, and possibly the worst blue-screen motor cycle riding in human history. Not even close.