My father had a mid-life crisis in the mid 90's, and went from being an avid hunter and fisherman to being a hardcore animal rights vegan. (It was all precipitated by him meeting and dating a woman who worked at PETA) He was about 45 at the time. Within 2 years, his health had markedly declined. There are healthy vegan diets, but his was an unhealthy vegan diet. Despite no history of heart attacks on either his mothe…
You're missing the point here. They're not looking for reasons to think meat is healthy. You're vegan because you're against animal cruelty and harm that is done in the process to animals and our planet.
The diet aspect of it, yeah you can have bad habits in any diet, your health can decline just eating bad period. There are countless of cases of people's health decline that are not news anymore because it's very common. Hearth disease because of bad cholesterol?, well yeah it's not news we've been seeing that for ages so no gossip there. But what about a vegan person that died. Let's jump into conclusions and use this a reason to keep eating the things we like, because god forbid they take away our pleasures no matter who we hurt. This applies to both perspectives.