Fly this cartoon high: Toonophobia -- The irrational fear of blasphemous cartoons
And do not talk of free speech as a right -- rights are bestowed by authority. Far from a right, Free Speech is civilization's cherished necessity.
Civilization is impossible without the freedom to say what other people don't want to hear. Why? Because sometimes people think they are right, not because they ARE right, but only because they THINK they are. And, if mistaken, they cannot accurately plan their best future. Even if it offends, the greatest respect one can show is to help one see more clearly.
Civilization requires only two considerations: 1) humility -- to consider the possibility one just might be wrong; and 2) respect for others who can help one see more clearly.
You see it every day in practice: The core value of democracy is that it codifies humility -- the permanent cycle of elections pays homage that today we just might be wrong and best learn from experience; and that democracy honors the smallest voice that can suggest a better way of doing things and try to convince others -- even if the small voice offends.
You can deduce this from your own experience. You can recall instances when you thought you were right and were mistaken -- that your mental map was wrong. From yor own experience it becomes obvious that whatever the intentions of the HRC, they poison the well of society.