I had a psychiatrist for my ADHD who went off the deep end on Q and Trump. It is entirely possible to get a high end degree without critical thinking skills, so seeing someone with at least 10 years of university, medical school, and specialisation in psychiatry going off the deep end is not impossible, just a bit odd to process.
That said, I think Australians tend to be a little more up front than North Americans, so when someone seems to just spew whatever they are thinking they seem more familiar. That said, someone spewing garbage should not be seen as normal but here we find ourselves I guess.