Jeffrey Deitch is the Jeff Koons of art dealers. Not because he's the biggest best or the richest of his kind. But because in some ways he's the weirdest (which is saying a lot when you're talking about the wonderful wicked lovable and annoying creatures known as art dealers).
If I felt in the event of a royal wedding inspired to write about people coming together in marriage or civil partnership I would just be grateful to have an idea for the poem. And if I didn't I'd ignore it.