My MIL went full plant based (vegan but also only raw or minimally processed foods, doesn't even eat tofu or olive oil if she can avoid it) after watching some documentary on Netflix and it is her entire personality now, including trying to force it on my wife I who already eat vegetarian 95% of the time (everything at home is vegetarian, occasionally eat meat out if none of the vegetarian options sound good) primarily for environmental and health reasons. Every time we visit her she makes some snide and not even veiled remarks about us still occasionally eating meat and still eating dairy, her favorite is referring to any sort of cheese as "congealed cow puss".

She also 100% believes it can cure diabetes, Alzheimers, dementia, and cancer in a matter of months and that meat and dairy cause autism.