I think I agree with you.I'm not sure how VoP overrules AoP when AoP comes after VoP and VoP is subservient to AoP.
Never has there been a feat that has inspired people to work against the intent roleplaying purpose (in this case, of being a holy ascetic) more than Vow of Poverty.
Besides which it still doesn't open the loophole. If it said it allowed you to wear such items in spite of other vows it would count. This is essentially a vow to not wear physical armor, that does allow you wear defensive magics other than armor.
However it does not mention any other vows you might have...
Nope.
The ability doesn't say it overrides VoP, doesn't use capital S or any other indicators that it's actually referring to the feats, and there fore the rules of the feat still apply.
Furthermore even if you could wear such items, you still can't own them.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.