Truth is like the sun. You can shut it out for a time,
but it ain't goin' away.
— Elvis Presley
Wisconsin pharmacist and flat-earther Steven Brandenburg is in deep kimchi for destroying 500 doses of the Covid-19 vaccine. He insists the vaccine contains a microchip designed by eugenicists. (He also insists the sky is a shield deployed by the federal government to prevent us from seeing God; but that's another matter.)
In the US, we like to say, "ignorance of the law is no defense." In the UK, the principle is better stated: "It is dishonest for a man deliberately to shut his eyes to facts which he would prefer not to know. If he does so, he is taken to have actual knowledge of the facts to which he shut his eyes."
Do we have the right to shut our eyes to facts and believe whatever we want?
Right now, right-wingers say we do; but that's bullshit.
I really don't care how you came to your asinine beliefs, Mr. Brandenburg. Maybe their source is your crazy uncle Cal; your born-again minister; your loser drinking buddies; the voices in your head; an angel named Jack; Jim Carrey; or Q. All I care about is that your asinine beliefs denied 500 people their vaccinations.
Your beliefs aren't only false, they're irresponsible and morally repugnant. You're not entitled to them.
You're woefully willfully ignorant.