It may not be as strong an argument as, say, going through the crypto with a fine-tooth comb and finding flaws. However, I'm not qualified to do that, and most

It may not be as strong an argument as, say, going through the crypto with a fine-tooth comb and finding flaws. However, I'm not qualified to do that, and most of the people commenting here aren't, either. Even so, we might have to make a decision about going forward with the information we have. Bringing the quality of a person's previous work into the discussion is a necessary shortcut. We can't all be expected to have expert-level knowledge on everything.