Multiple chains of evidence may be used to support a conclusion. One conclusive chain is sufficient, even if others are equivocal. You're focusing on the weak

Multiple chains of evidence may be used to support a conclusion. One conclusive chain is sufficient, even if others are equivocal. You're focusing on the weakest part of the argument, which HN guidelines explicitly request you not do: <https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html>. (Less so if others are exculpatory. Which is not the case here. A known false positive is not conclusive proof, but neither does it explicitly clear a source.) See for more explanation: <https://news.ycombinator.com/item?id=49044401 https://news.ycombinator.com/item?id=49044401>.