Logistically impossible, plus there's a whole selection of books by chemists debunking the whole thing.
"Confessions" were the result of literal testicular torture and just plain old torture.
Manipulated evidence and more.
Challenge anyone to a debate about the Holl-in-a-Caust PPV and you'll always inevitably witness your opponent go:
*le sigh*
"ugh .... Why would they ... I mean what would be even the point, you really think that [insert claim here]?"
*crosses hands in air in defeat*
"I don't wanna continue this discussion it's LE DUMB"
