Then what was the "hahahaha" for?
Nonsense, humans are animals (something that the religious right have a problem grasping) The reason it is available without prescription is because it is comonly given to horses, sheep and other animals (including humans) to treat infestations of worms and other parasites. We have had antivaxxers here claiming they are not following the masses because "they are not sheep who think for themselves instead of following the herd" In that context, seeing those antivaxxers advocate to take medicine partially intended for sheep is hilarious. (It is even funnier when some antivaxxers don't get that joke)
Even Merck, the company that makes ivermectim, states on their website "We found no evidence to support the use of ivermectin for treating COVID-19 or preventing SARS-CoV-2 infection"
KENILWORTH, N.J., Feb. 4, 2021 – Merck (NYSE: MRK), known as MSD outside the United States and Canada, today affirmed its position regarding use of ivermectin during the COVID-19 pandemic. Company scientists continue to carefully examine the findings of all available and emerging studies of...
www.merck.com
That doesn't prevent antivaxxers making false claims though.