The metric conversion works fine for the ingredient list. But I noticed that it does not convert unit that are used in the instructions. For example when the instructions contain "preheat the oven to 350ºF", it does not get converted.
> So it seems like the error discovered by the article author should not have conferred any advantage to the climber on the left.
They might not use the hold by physically touching it, but they might still use it as a visual indicator of where the other holds are in relation. These competitors are used to the same layout for many years. If there is a slight misrepresentation it can surely put them off.