It's notable that a prominent comment made by three or four of us here is that it is public space - a fact that wasn't foremost for him and didn't seem to factor in his response to you. A moment of reflection on his behalf could have informed the support that he might have been able to offer you. But then he is the interpersonal expert clinician researcher wanker mentor athlete around here so what do we know?

Do you use the phrase "Jack of all trades ..." in the US?