The law exists in 13 countries: Austria, Belgium, Czech Republic, France, Germany, Israel, Liechtenstein, Lithuania, Luxembourg, Poland, Portugal, Romania and Switzerland. Not many of those countries can hold their heads too high when it comes to the holocaust.
Attempts have been made to make the law europe wide, but thankfully this has been resisted by the UK and nordic nations.
Gallileo was imprisioned for writing that the earth revolved around the sun. (dangerous idea - it removes earth from the centre of the universe. If the earth isn't the centre, then how can we be God's chosen ones? And if we aren't God's chosen ones then how can the church assume ultimate power over our lives?)
We can't go back to those days.