"not terribly useful" was wrong. It should have been something more like "not generalizable to other people." We certainly agreed with your standard of evidence, but there's a big gap between a failure mode likely enough to be worth adding steps to fix and an "extremely high risk."

This post makes it sounds like there's a lot of room for confirmation bias, but that doesn't bother me so much; in particular, it is a lot better than if it's just you.