For a test to be effective it doesn't have to be 100% effective every time. Just because it doesn't filter out rare individuums like yourself it doesn't mean it

For a test to be effective it doesn't have to be 100% effective every time. Just because it doesn't filter out rare individuums like yourself it doesn't mean it doesn't filter out 90% of them. If someone asks a question it's not unwise to assume they'll have a comment on that.