You are misrepresenting the WHO statement. It’s covering a small technical issue that setting the Ct threshold for PCR tests can vary the false positive rate, p

You are misrepresenting the WHO statement. It’s covering a small technical issue that setting the Ct threshold for PCR tests can vary the false positive rate, particularly when there is low prevalence. Because use of this, it can be helpful to consider the Ct value of a positive result. It does not say the Ct threshold has been set incorrectly, or that PCR tests “are faulty.”