>They may have decided to preface their article with this message because they feared retaliation by zealous Muslims who would not otherwise expect to see a depiction of Muhammad in the Guardian.
Heh. I don't really think I'm even disagreeing with the majority media narrative here. I do think trigger warnings can be taken to ridiculous extremes (e.g. imagine a trigger warning every 30 seconds of a horror film) and, as a result, am not fond of them as an idea.