On the surface of it, sounds like a huge over-reaction; it's certainly something I would do innocently without appreciating the impact. Although, looking at it from the sensitive side, with all the focus there has been these past few years on some horrible child abuse cases, reported and otherwise, I would perhaps be drawing on that as part of my reaction. In general, I guess it is a 'good' but tough, lessson to learn re boundaries and social media... What catches my eye is how they both reacted and the long email his wife sent.