https://www.bbc.co.uk/news/articles/c0kkzzy8eqjo

Personally I think there's more to this than meets the eye. What do they do when they get to a large hotel? Demand that no one consumes anything containing nuts for the fortnight they're there? Every restaurant they dine in for the entire duration of their holiday? Surely it's easier as a business to turn them away than to try and absolutely guarantee the persons safety?