There is nothing quite like it - the satisfaction of composing it, the anticipation of sending it, the dread of expecting it, the indignation of receiving it. What is it about the power of a strongly worded letter for the British? Or is it for the English only?
As a naturalised UK citizen with 20+ years of experience, it’s been one of those things that I could never explain to my foreign parents and I have not tried. Maybe I should write them a letter about it.