Not really true. If you exclude those other factors, plant-based diets still come out on top. You should check out studies on the Seventh-Day Adventists like this one, as it's fascinating stuff!

There are simply too many harmful compounds in animal flesh which aren't compatible with health in humans.

But overall, plant-based is just better in every way: cost, land use, water use, climate change, health, longevity, chronic disease risk/prevention, food security, etc., etc., etc.

That is a half truth.

While it’s true that some vegans are health conscious, it is the because it’s the norm that the diet is healthier. A plant based diet still has lower risks even when you eat a lot of the junk food.

Also it is good for your health to limit your cigarette,alcohol, caffeine, sodium and sugar intake, the plant-based diet is shown to reduce your level of cholesterol and risk of heart disease.