Pepsiconian 

A devout follower of Pepsi-co Religion. An eager Acolyte of the Great Pepsi-man. Pepsiconians believe that above all else, Pepsi-man is the highest Power and Authority on all cold fizzy things, and to drink anything other Soda is Blasphemy.

Mr. Smith: Ok Calvin, you go first... What is your Religion?
Calvin: Pepsiconian. Praise be to the Almighty Pepsi-man. May your drinks never run flat and may your taste buds be satiated with The Pepsi-man's Coldbrew Elixir of Pure Joy

Pepsiconian by Disciple of Brudda Osas April 8, 2021

pepsicoking 

"pepsicoking": noun; ("to pepsicoke": verb, transitive). To take a complex situation and reframe it through marketing as a competitive binary choice between fairly distinct alternatives, one of which must be seen as a winner and the other as a loser--to the exclusion of other viable choices.

"Extensive advertising over the course of the past decades has resulted in the pepsicoking of the American soft drink market, largely leaving fans of RC Cola out of the debate."

"'Message politics'--the emphasis on creating and advertising coherent policy agendas and encouraging party members to 'stick to the message'--has lead to the pepsicoking of Congressional politics."

pepsicoking by Matthew M.C. Roberts February 23, 2008