The asymmetrical characterization presented in this piece strikes me as fabricated for the purpose of attempting to condone putting constraints on free speech.
Free speech all but ensures an equal opportunity for everyone to win hearts, regardless of the message tone or intent. Imposing constraints according to some nebulous definition of “hate speech” would be more incendiary than soothing; it would inhibit the free-flow of marketplace ideas, and it would stoke anger and resentment among those who feel censored by it.
If you’re afraid ideas you disdain might appeal to others, then find ways to win their hearts; but don’t stymie the delivery of the worrisome message. Otherwise, you’re undermining the whole notion of “a marketplace.”