That's weird. So he approves of homosexual unions being blessed, even though it violates scripture and tradition, but a wedding is going too far. Or at least the weddings are too far for him right now, but the same-sex unions are holy enough to be blessed.
You wrote "So he approves of homosexual unions being blessed, even though it violates scripture and tradition, but a wedding is going too far."
In order to understand someone like this, you have to always keep in mind that leftists consider all conservatives (and especially conservative Archbishops from underdeveloped countries) to be stupid. Hutchison is betting that by not actually using the word 'marriage' he can lie his way out of any confrontation with the Global South Anglicans - he's wrong, but obviously not capable of seeing that.