I think most religious people are going to claim that being critical is the same as being insulting. Can you claim that (for example) being critical about Jesus' deeds is not the same as insulting him?
We all draw a line between "critical" and "insulting", but everyone's line is different. What you consider insulting, I might not, and vice-versa. From your link, it sounds like the banned content was the cover of the latest Charlie Hebdo[1]. Personally, I don't find that insulting or critical of Muhammad. Others may think differently, and they have every right to.
But more importantly: Government-enforced censorship bothers me, even when it's of content I find insulting or offensive. I don't like the state deciding what I'm allowed to see or hear. I'm mature enough to make those decisions for myself.
Both muslims and their western apologists have such huge issues over it, that anything critical at all including the most highly legitimate comments or use of any form of parody at all is immediately decried as 'racist' (even though a religion is not a race) or 'islamophobic', their favourite snarl word.
