The Apprentice star, 79, who has a reported net worth of £1.138 billion, called American Express "a bunch of idiots" in a tirade on X. Posting on X, he wrote: "I spent an hour on the phone with American Express. Lord Sugar received some unimpressed responses from his followers, including one who asked "why do you expect royal treatment for yourself?" Lord Sugar replied: "DO PRACTICE BEING AN IDIOT. Another X user corrected Lord Sugar on the spelling in his original post and he replied: "OH YOU ARE SUCH A HERO.