There are two main issues, if someone believes they are somehow...

The article uses the same old stuff that has previously been posted and debated here before on HC.

I posted some of the examples in the post.

There are two main issues, if someone believes they are somehow protected from Covid-19 by taking Ivermectin, they are less likely to take more appropriate action to protect against Covid-19, some have died thinking Ivermectin would save them.

The overdose issue may have arisen because the dosage for Covid-19 is higher than its' normal dosage, and if people are self medicating, then the risks are increased.