This groups of people do not just imply that > Isn’t implying that the test can’t tell the difference between flu and covid? they are strongly convinced that

This groups of people do not just imply that > Isn’t implying that the test can’t tell the difference between flu and covid? they are strongly convinced that this is the case, quoting papers or research showing that in some rare cases with some methods you could have tests which could sometimes confuse Covid with other Corona Viruses (not flu, completely ignoring that this might not apply to the tests they are speaking about or that the probabilities are negligible.) I had to realize that the majority of people (which haven't studied something where they had to learn it) do not understand stochastic at all, but believe they have some basic understanding of probabilities (which they don't have). Furthermore it's not uncommon for people to reject truth which do not fit into their world view. Not to long ago I realized that a relative of mine does not understand the difference between false positives and false negatives and that they are not equally likely. They knew the (fast, non PCR) test can be wrong and as such believed it can be equally wrong in all directions including false positives. So because it was confirmed that the test have many false negative they believed that they also must have many false positives and as such the increase in cases must be because of this false positives... I tried to reach out to them and explain them that false positives and false negatives are not the same and just because something can likely fail in one way it doesn't mean it will also fail likely in another way. But I completely failed to reach them, they insisted on their opinion being correct and went very fast into a defensive mode where it's impossible to reach them no matter what how reasonable and convincing your arguments are.