The Hackernews reply would be to start arguing with the science by cherry picking some papers and quoting some popscience articles. I think you need to acknowledge when you don't know enough.

I'm not a neuroscientist or doctor. I have no ability to engage with the science - and I'm not going to start pulling papers out of my ass to support some counter argument. I have no idea if she's right or wrong. I just know that at a cursory glance of her profile she seems to have an agenda. That's all

I rely on the expertise of dedicated professionals to do the "arguing" and investigating the science. All I can do is vet them and see if they're impartial