And the reason they have to say it nowadays is due to a court case where a pilot found out he was being investigated for a deviation that allegedly happened man

And the reason they have to say it nowadays is due to a court case where a pilot found out he was being investigated for a deviation that allegedly happened many months ago. It was ruled that without a timely warning no sanctions can be taken. So it’s a little bit like the “Miranda rights” of aviation - at least you know you might be in trouble and have time to prepare.