Why did easyJet insist on a needless visa?

The airline refused a refund for our tickets as it blamed us for not having the correct documentsMy two children and I hold British passports and my husband, who is from the Middle East, has a travel document issued by the Home Office. We booked an easyJet flight from Gatwick to Berlin and checked in at the airport without a problem. However, at the boarding gate, the easyJet rep insisted my husband needed a visa to travel. We then had to wait hours for our luggage to be retrieved. The following