Going to high school and then spouting out things like taking horse medicine to cure covid would be a pointer in the opposite direction.
That seems to be the appeal of his show, though. He talks to experts (not all of them intellectuals) without being an expert himself. That's useful as a listener, because chances are you aren't an expert in any given field and listening to two experts talk would be borderline imcomprehensible to you.
I don't think you need a Ph.D, but as you say it's one decent avenue. You can also grind yourself up, but you have to be an honest real autodidact who actually tries to learn stuff not a crank. The core characteristic of a crank IMHO is that they either stop when they know enough to sound smart or get emotionally attached to particular points of view and refuse to entertain others.
Oh wait you didn't because his video got removed from YouTube by other "very clever people"TM
I'm not endorsing ivermectin, I don't know if it works for covid or any other viral infection, but your reduction to people needing a PHD to make informed choices is just silly.
There is zero justification for getting on the radio and YouTube and hyping it up to the point that ignorant or desperate people try to take horse paste, especially when you combine it with soft-pedal antivax bullshit that convinces people they can put horse paste in their coffee instead of getting the vaccine.
This stuff has killed people.
https://scontent-ort2-1.xx.fbcdn.net/v/t39.30808-6/241660405...
Numbers are similar in other places.