You aren't aware of these things because Ivermectin has been the target of a massive campaign of information suppression, exactly of the type that is being reported on here. In contrast vaccines have been given emergency approval without finishing their trials, despite being based on entirely new technology, despite absolute risk reductions of less than 1% and despite that giving any medical treatment to an entire population including healthy people must always raise the question of side effects vs disease severity - questions that are also being suppressed.
For example, here is an open letter written by some doctors who have run out of patience with medical authorities and their refusal to talk about early drug-based treatment:
https://covid19criticalcare.com/videos-and-press/flccc-relea...