Oh but interestingly isn't that a kind of conviction itself? They've been fed some kind of idea of 'freedom' that they now strongly adhere to until death (I assume a lot of anti-mask are also anti-vaccine and are now the ones dying in the hospitals).
If you look at American politics over the past 5 years, trump has almost become another napoleon in how fervent the support he has, and how the idea of 'freedom' has held.