But it does doing so publicly. There was a recent trail where an 80 year old woman got sentenced for publicly expressing her believes

https://en.m.wikipedia.org/wiki/Ursula_Haverbeck

> Another article by Haverbeck-Wetzel in the Voice of Conscience (November/December 2005) posited a thesis that Adolf Hitler was "just not to be understood from the believed Holocaust or his alleged war obsession, but only by a divine mission in the world-historical context."

> In the Hamburg court, she insisted the status of Auschwitz as a place of death is "not historically proven" and is "only a belief".

I think she deserved her 10 months in prison.

Did you read the article? She's been a vocal Holocaust denier since the end of the war. She's not a random person doubting the Holocaust and stupidly saying it in public. She was the wife of one of the higher ups in the Nazi party.