I made no comment on Gibson's inferences; and I said nothing about Leo X.
You asked for evidence about BXVI's expenditure on new vestments. And people (including me) have steered you in the direction of some evidence.
If the truth of such trifling matters is going to be challenged and re-challenged, then no wonder we are now said to be in a 'post-truth' era, of 'alternative facts'.
But some of still will seek and find the real facts.