Healthiness
There is not just animal abuse going on with animal industry, and all the hormones used on the animals which is passed on in meat, there's also the issues to the environments and using more land, water, and all resources, and the effect on your health. A carnivorous diet is highly unhealthy for humans, carbohydrates are not the problem, processed, simple carbohydrates are the problem to health. If one eats the whole food plant based way, free of processed carbs, they will be living the healthiest way with how they eat.
https://youtu.be/HbyPJGwShPk
Naturism originally was spoken of with the meaning of such a healthy way, with this healthy way along with getting enough fresh air and sunshine, which then included accepting nudity, to have it generally practiced.