Elon had his AI buy $241 of Lego sets and posted the receipt. A few hours later, some random guy canceled the entire order using nothing but the order number in the picture. Lego's support bot asked him for one thing. The order number. It said hi Elon, pulled up the order, and pushed the cancellation through. It never asked for an email or a login, and the real buyer only finds out after it's already done. Think about what an order number actually is. It gets printed on packing slips,…