Faith and religion obviously have benefits - It's just that the inconvenients and disadvantages are superior. Logically, if religion had 0 advantages for people no one would be religious, there are many positives like having a sense of belonging, coping better with death, being able to live without questioning since all questions are already answered...
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you