Apart from all the accidental suicides from overdosing on alcohol, or taking cleaning products, or... There were a lot of news articles about this, at the time. They got to interview dying people, who admitted their mistakes.
Which is sorta why there actually is studies done on the impact of the misinformation [0].
> Following this misinformation, approximately 800 people have died, whereas 5,876 have been hospitalized and 60 have developed complete blindness after drinking methanol as a cure of coronavirus.34–37 Similar rumors have been the reported cause of 30 deaths in Turkey.38 Likewise, in Qatar, two healthy South Asian men ingested either surface disinfectant or alcohol-based hand sanitizer after exposures to COVID-19 patients.39 In India, 12 people, including five children, became sick after drinking liquor made from toxic seed Datura (ummetta plant in local parlance) as a cure to coronavirus disease.40 The victims reportedly watched a video on social media that Datura seeds give immunity against COVID-19.40
Which is sorta why there actually is studies done on the impact of the misinformation [0].
> Following this misinformation, approximately 800 people have died, whereas 5,876 have been hospitalized and 60 have developed complete blindness after drinking methanol as a cure of coronavirus.34–37 Similar rumors have been the reported cause of 30 deaths in Turkey.38 Likewise, in Qatar, two healthy South Asian men ingested either surface disinfectant or alcohol-based hand sanitizer after exposures to COVID-19 patients.39 In India, 12 people, including five children, became sick after drinking liquor made from toxic seed Datura (ummetta plant in local parlance) as a cure to coronavirus disease.40 The victims reportedly watched a video on social media that Datura seeds give immunity against COVID-19.40
[0] https://www.ajtmh.org/view/journals/tpmd/103/4/article-p1621...