It's not a "favorite measure" it's the ones proven to work. All this self-reported summary shows is that taking Ivermectin can slightly improve Covid-19 outcomes in areas where worms are endemic. This study was done in an area of Brazil where worms are common and where high Ivermectin usage pre-dates Covid-19. It's something we already know. Parasitic infection results in worse outcomes for respiratory infections. Treat worms if you have them.