At least it is good that now we have some more concrete proof of what these organizations have been doing for decades and never really stopped doing.

The things is that we arriving at a limit on population growth under the current methods of production. There is a limit on how much cattle, chicken, pigs, etc we can actually raise. Now, if the whole world turned vegetarian, we probably could have much more people on earth. So much land is used to make livestock feed that could instead be used to grown actual food.