I didn't eat meat for over 30 years, for various reasons, but I eat meat now, I also raise animals for meat, so I think I can understand both sides of the arguement.
I get annoyed with the healthy claim, when I stopped eating meat I did a lot of research and found out how to balance the protien sources, most veggie food sold in shops is deficent in compleat protiens, and rely on dairy products. They are often full of sugar and of course to make you feel full, cheap pasta, potatoe or rice, which makes a huge profit for the producer. The pasta in a cheesy sauce, wrapped in a tortilla wrap, is a hightlight of making a huge profit out of the cheapest ingredients.
On some forums I have challanged the healthy claim, and its amazing how many people are just parroting the hype and when you provide them information, they have no answer and then waffle on about carbon foot print, we were not designed to eat meat, and the welfare aspect.
There is so little understanding of the nutrition to start off with, and then most of it now seems to be based on slanted reporting of data, its no wonder everyone thinks a glass of orange juice and a bowl of cereal is a healthy balanced breakfast, or even better a cereal bar because you can eat it on the go and be charged extra for it.
My go to store of facts in a simple form on meat, is
and my question to anyone saying a veggie or vegan diet is healthy, are you sure you are going to eat 'compleat' protiens and are they aware of the special needs of children, the sick and the elderly.
There are so many studies on the interenet which say that basically the easiest way to make sure people get good nutrition is to eat meat, you can play top trumps with them, even when they quote studies that are supposed to show it causes cancer and heart disease.