I understand where he's coming from. Sometimes to create a big personal change you need to disrupt your routine in a big way. For me, a change in environment really helps me think or focus differently.

New York may have been special in some way that could help that change.

I think the anecdote underscores how tough it can be to make that shift from doing something you love and are good at into new responsibilities you're not as strong in yet.

This. I never understood why he even included it in the article. Did he get his company to pay for the trip as well?

I almost started writing a sincere answer to this question before I read your post history. Cynics like you would never understand anyway.