I don't really mind a drafted, I prefer that they announce themselves. I have been asked a few times and offered a few times. Mostly if I'm traveling at that pace and so is someone else we tend to end up chatting and working harder together.
I once was yelled at by a lady on a bike path since she felt I was to close to her coming to a stop. It was purely the concertina effect, she slowed earlier and I closed the distance before I slowed, but it wasn't enough for her. I didn't care and brushed it off.