I think they have a law in place to where all knives have to have rounded points. Starting with kitchen knives. No more sharp points.
It may be blunt, but what if it’s still sharp? What if someone gets slashy with it? All knives should be blunt and dull.
The Jackie Bisset movie character, a dessert chef, arrives at Heathrow with her knife kit, and after being singled out for questioning for said collection, says "But I have an appointment at Buckingham Palace..."