Hate speech may be ugly, but as long as it does not call for the harming of any group to bar it is not acceptable Beyond that, though, it depends on what you call holocaust denial. Some time ago the death toll at Auschwitz was said to be double what it turned out to be. When it was pointed out the figure was very badly inflated, many called that holocaust denial. If one admits there was a holocaust, but questions some of the figures, would you make that illegal?
Russian defense ministry: Plane sent to intercept U.S. plane near border on Friday (Reuters)
from the article: Austria far-rightist's presidential bid draws ire of local Jews