Having said that, drinking turpentine is questionable but it sounds clickbaity for inviting outrage to me. Ymmv.
Further, assuming these are a group of people paranoid and delusional, people still have the right to congregate and talk amongst themselves and share their thoughts. It’s called freedom of speech. There is no coercion.
Finally, the reason people seek out others to discuss health issues is because patients are discounted by doctors and physicians. The art of listening is challenged when your HMO allots 12 minutes for patients and doctors to converse..just enough time to prescribe medicines and order diagnostics.
Sick people like to talk. And they must be heard. It’s the same with old people. Especially because older people tend to be sicker than healthy young adults. If the medical profession needs to learn something new, it’s listening. And listening without judgement.