Oh, that just gave me a flashback that I had thought that I had buried.
Many years ago - when mobile phones were something only given out to a limited number of employees, I called that 'informed company' after way too many drinks in an hotel bar. I heard exactly the sort of diatribe that you relate there - I was woken up hours later by the same bollocks going on in my ear.
Bad news was the company was monitoring call usage of call over a certain number of minutes - thank fuck that was my departments responsibility.