If everyone on the plane is tripple jabbed, that one guy who has COVID isn't spreading it. Maybe the two passengers he sat next to will have to self-isolate but that's nothing compared to the trouble caused by an entire unvaccinated plane.
HCQ and Ivermectin. No government overreach here. Courts are starting to overturn prescription restrictions. Early in 2020 Fauci acknowledged HCQ as effective. But the vaccines would not be able to be used under an EUA if there was an alternative treatment.