It would be helpful if you gave a few references to the articles you are discussing.
If you are referring to "new atheists" I agree but your phrasing appears to be referring to all or most.
Perhaps, then again, perhaps not.
Atheists and agnostics tend to be just a healthy and satisfied with life as their religious counterparts, according to new research published in Journal of Religion and Health. The findings cast doubts on the theory that religion and spirituality enhance personal wellbeing.
www.psypost.org
Personally, I believe religions that encourage meditation would have better mental health outcomes. However, one does not need to be religious to practice meditation.
We live in a stressful world and an extreme stressful time. Everyone, religious of not, should practice meditation to reduce stress.
Research suggests that chronic stress is linked to high blood pressure, clogged arteries, anxiety, depression, addictive behaviors, and obesity....
www.health.harvard.edu