Posts telling parents to make their kids drink bleach or disinfectant is, sadly, not actually a caricature. See, for example, how "Miracle Mineral Supplement" (aka, chlorine dioxide, aka bleach) gets pushed by malign quacks as a cure for HIV, malaria, hepatitus, autism, acne, cancer, COVID-19, etc. https://en.wikipedia.org/wiki/Miracle_Mineral_Supplement