And by then, it was too late to their voters behavior. Hell, Trump didn't really change his public stance either. Him and his voters made anti-masking a point of pride. Whenever the press asked him about vaccines, he never out rite said that they should get vaccines for the health and safety of the county they supposed love. It's so simple. Love the county? Love the economy? Get vaccinated and stay up to date. Trust the American(tm) researchers.