Do official recommendations like this really influence people's food choices? There have been calls for plant based diets for a long time and yet meat eating has been increasing.
Well no report by itself has a big impact. It is a matter of incremental change over time. Like with anything some people are early and they've already switched to plant based eating. Others move later. Like with any commercial sector with interest misaligned with the needed climate policy there is a lot of lobbying and greenwashing going on. This piece covers that well https://newrepublic.com/article/168766/meat-industry-lobbyin...