You might not like a political party soliciting a celebrity endorsement but that does not make it a conspiracy and that is not this conspiracy. This conspiracy is being floated and propagated by people like:

Paraphrased...

Fox News host Jesse Watters: "Swift is a Pentagon PsyOp Agent"

GOP candidate Vivek Ramaswamy: "The Super Bowl is rigged to boost the profile of Taylor Swift ahead of her plans to endorse President Biden"

OAN News: "Swift is a “Massive Super Bowl Psy-op” a brainwashing campaign designed to indoctrinate citizens to an elite agenda and away from religion."

Try a google search for "Super Bowl Psy-op" if you have any doubts.