A majority of Americans approve of Kristi Noem's firing. Approval is even higher when the firing is described as Trump's decision, especially among Republicans
Do you approve or disapprove of [the decision / President Trump's decision] to fire Kristi Noem as Secretary of the Department of Homeland Security? (%)
Note: A randomly assigned half of the survey's respondents were asked a question that mentions Trump and the other half were asked a question that does not mention Trump. Identification as a MAGA supporter is based on responses to the question, "Are you a MAGA supporter?" Non-MAGA supporters are people who say "no"; people who say "not sure" are not shown.
