Should I keep my insights to myself?

[quintessentone]

Not entirely BS. There are both good and bad health effects from a vegan diet.

The Impact of a Vegan Diet on Many Aspects of Health: The Overlooked Side of Veganism

Plant-based diets and long-term health: findings from the EPIC-Oxford study

Benefits and Drawbacks of Vegetarian and Vegan Diets: Key Points

Still waiting on your universal origin theory, too...

How do you find these great sources?

From your first source (may explain a lot here):

"Additionally, vegans have a greater prevalence of mental health problems, which may lead to a poorer quality of life. An optimal diet should be balanced, consisting of lean meat, nuts, fresh fruits and vegetables, and olive oil (Figure 1) [8,9]. A wholesome diet is essential in maintaining a healthy gut flora, which in turn is pivotal in avoiding inflammatory disorders."

What's that quote that is applicable here:

"The belly rules the mind."