Sir, Violent words so often lead to a slippery slope into violent actions. Extremely biased hate may also lead to violent words. (‘Google removes anti-Semitic, anti-Muslim and sexist auto-complete search’ The Muslim News, 30 December 2016)
Every society has their idiosyncratic taboos. Whilst freedom of expression is very important, there is a fine line crossing over from civility into savagery. The “P.C. gone mad” crowd often muddy the waters, not always in knee-jerk mode, facilitating evil.
I believe that the British Anglo-Saxon variant of freedom of speech is a time-tested practical one, far superior to the dogmatic Continental version, & even better than its recent green American new kid on the block.