sorry = an expression of regret
regret = a feeling of sadness or disappointment
sadness = a feeling of unhappiness or grief
disappointment = feeling let down or frustrated
Can a thing feel sorry?
Can an organisation (irrespective of the individuals therein) feel regret?
Can London Midland really feel sadness or disappointment at the late-running of my train?
If not…
Then who exactly apologises for the inconvenience caused?
😐
the art of tea 
Those would be the same entities that are “sorry” when the delay of my commuter train makes me late for work as much as a couple of times a week. LOL. I guess its the same all over!
Corporate regret . . . what an interesting concept? I’ll have to think about that one.
Miss D
I’d be interested to hear your thoughts on that, Miss D! 😉
I know it’s a new reply to an old post but…I had to say it:
The phrases ‘I’m sorry’ and ‘I apologise’ are generally interchangeable. Unless you’re at a funeral.
!!! 😉