This seems like an overly pedantic approach. How many children younger than 5 are around posting on HN? Granted, people here may have children of that age. But

This seems like an overly pedantic approach. How many children younger than 5 are around posting on HN? Granted, people here may have children of that age. But we're also talking about the expected value of vaccines as well. While I haven't kept on current information, last I heard vaccines also weren't approved for such young kids either. Could they have been more exactingly accurate with their language? Sure. But the issue was small and basically entirely irrelevant given both the venue and topic at hand. Yet you basically tried to present this as an all-round smashing of their entire point.