Why does Currys’ customer service lack know-how?

Complaining delivery men installed the wrong machine … and then refused to take it awayI ordered a new washing machine from Currys and was promised delivery in three days. The delivery men arrived two hours late and complained about their work and other customers while installing the machine. Only after they left did I realise they had delivered a combined washer-dryer. It took three attempts and 1hr 45min on hold before I got through to customer services. With no apology, I was informed