No, it highlights the absurdity of religion, that people will make death threats over a cartoon. It's also to show that we won't tolerate bully tactics by religious fanatics.
It's very easy to take a stance when you don't appreciate the issues involved. A non-Muslim cannot generally understand the status the Prophet has to Muslims so cannot understand why they are offended. Now, as with any group of people, Muslims take offence and react in different ways. There are ways a Muslim can respond which don't involve violence.
Another example - some people would kill another human being for their country, while others wouldn't...
Hitchens has spoken publicly about death threats and was offered protection when he gave speeches.
I did not know that. Muslims or others?