Shady

From the cite:

Some iterations of the claim incorrectly posit that Pfizer’s drug is “based on” ivermectin and that the two are essentially the same because both are protease inhibitors — something that has not been established, and even if true, doesn’t mean the drugs are similar, as we’ll explain.
 

So it hasn’t been established but it’s incorrect?  How can something this writer says isn’t established yet be labelled as incorrect?  Heckuva source there guys!  Earlier in the source, they also admit the Pfizer drug isn’t novel.  Meaning, it’s based on existing technology. ??

Btw, it’s not October 15th anymore.  It’s November 12th.  More information about the Pfizer drug is available.  Maybe find a new fact check from your biased fact checking websites.  ?

You didn't say anything about how your theory "hasn't been established" in your OP. Why is that?