The President publicly denied the seriousness of the situation. The CDC didn't want to use a foreign test and made their own but they were all contaminated and always read positive. There was minimal contract tracing of travelers. The Surgeon General told Americans not to wear masks saying using masks incorrectly would harm them.
How many people are willing to admit that they were so wrong for the better part of two years and many thousands of people died who wouldn’t have? That’s very close to admitting that those same people weren’t just lying about one thing.
Not sure how you can force people to stay at home, kids out of school, then hand out billions in relief (or not in one country) and not have it be political?
Different countries matter less in the internet era, too. In the English-speaking world, the Murdoch media set the message in the US & UK, of course, but these days that spreads quickly outside of national borders and it was easy to see those messages jump to other language communities on social media. This was especially accelerated by the early recognition of certain risk factors which were compatible with the strong man posturing common to a lot of right-wing ideology.
There's a world of difference between criticizing a government for imposing a lockdown at 10pm instead of 11pm or enforcing a 80% occupancy limit instead of 50%, and attacking basic public health measures like taking a vaccine based on sheer lunacy and conspiracy theories.