Assalamu alaikum.

The Muslims indeed are ignorant. Abusing Muhammad Rasulullah is when one refuses to obey him and not what different customs accept as an abuse. The Muslims are abusing Muhammad at every tick-tak for they do not practically follow him. Ibn Taymiyya in his book 'Saarim suluul alaa shaatimu Rasuul' does not consider cartooning (hajaa') Muhammad as an abuse. In the first place even if Muhammad is abused that one is to be brought to him for punishment as he deems it necessary. But he never punished those who abused him like Ubayy ibn Ka'b, Zul Khuwaysira ibn Tamimi. Muhammad is sent as a mercy to mankind.
Ignorantly, al-Jazeera Arabic satellite channel interviewed a young Pakistani journalist this evening and in a caption said: Abusing Muhammad and his representative is not allowed. Ironically, this journalist does not know that THERE IS NO MUSLIM COUNTRY  WITH A KHALIFA, thus annulling the authority of Muhammad Rasulullah. Who is representing Muhammad in the mosque today? The most important place exhibiting the authority of Muhammad and as a stand of his representative is the mosque. Anyone who is in doubt should read:<> http://www.amazon.com/dp/1468070444/ref=cm_sw_su_dp. Let that one then ponder!
Indeed, the authority of Muhammad exists in theory only (There is no One to give you Command besides Allah and that Muhammad is the one to explain the details of the simplified written and oral law of Moses and that the one who pronounces that must in all his walks of life obey him as emphasized by Jesus son of Maryam) but not in practice.
Muhammad Rasulullah abused Abu Sufyan when he called him 'a fat one.' Then he told him to revenge. He also said, I am a man like you. If I abuse any one it is an expiation of his sins.
Those Muslim zealots would like Muhammad to be alive physically before they follow, like the saying of the Jews that they will not believe in Moses until they see Allah physically. Muhammad is alive but is not followed. who prays according to his Sunna?
Why is it that the Western world is having relations with the Muslim country without a Caliph? Muhammad did not allow the killing of ambassadors sent to him. Is the Western world not encouraging satirring Muhammad then?  Why not include sanctions to such countries by withdrawing their ambassadors? Why is the West pennywise but pound foolish?

Friendship.