Re: hmm
"Eventually, his colleagues in the call centre tried to convince me that my house was the correct address but in the wrong place"
It sounds a bit like an insurance company's call centre I had dealings with. Someone had swapped the day and month numbers on SWMBO's date of birth on data entry. As a result they were effectively trying to tell me I'd survived several decade's of marriage without knowing my wife's birthday.
Biting the hand that feeds IT
