The question was based on a false premise. Trump has denounced white supremacy of any stripe many times, yet the lie has been told over and over.
"
Trump said on August 15, 2017: "I'm not talking about the neo-Nazis and the white nationalists—because they should be condemned totally."
"ABC News
fact-checked Biden, and noted — commendably — that Trump condemned white supremacists after the Charlottesville riots of August 2017, which Biden has also
lied about, as well as on other occasions:
Two days after violent clashes in Charlottesville, Virginia, in 2017 — after first equating violence from white supremacists with those protesting — Trump said, “Racism is evil and those who cause violence in its name are criminals and thugs, including the KKK, neo-Nazis, white supremacists, and other hate groups.”
A month later, the president signed a congressional resolution condemning white supremacy.
In 2019, following shootings in El Paso, Texas, and Dayton, Ohio, Trump said, “In one voice, our nation must condemn racism, bigotry and white supremacy. ”
“These sinister ideologies must be defeated. Hate has no place in America. Hatred warps the mind, ravages the heart, and devours the soul,” he added"