There was a time when smoking cigarettes was not only a normal thing to do, it was actually encouraged by doctors. Eventually, the evidence caught up.
A similar thing has happened with meat over the last couple of decades. Recent statements by the Intergovernmental Panel on Climate Change (IPCC) and World Health Organization (WHO) have confirmed that meat damages human health and the planet. But as with tobacco in the 1960s and 70s, this scientific knowledge has taken time to filter into consumer behaviour.
