1) Beware of overdosing, because extrapolating from in-vitro studies will yield dosages that are unsafe.
2) We know the dosage required for Ivermectin for be effective, and it is too high.
The first is fact-based and uncontroversial. The second would be completely unfounded and would contradict earlier parts of the statement, so the reasonable assumption is the first interpretation.
Appeals to authority are problematic to begin with. Appeals to authority that misconstrue the authorities (FDA, EMA, and Merck in this case) are counter-productive.
1) Beware of overdosing, because extrapolating from in-vitro studies will yield dosages that are unsafe.
2) We know the dosage required for Ivermectin for be effective, and it is too high.
The first is fact-based and uncontroversial. The second would be completely unfounded and would contradict earlier parts of the statement, so the reasonable assumption is the first interpretation.
Appeals to authority are problematic to begin with. Appeals to authority that misconstrue the authorities (FDA, EMA, and Merck in this case) are counter-productive.