That study proved nothing. So what if some scientists believe in god? What does that prove?
It was a response to incredulity and amazement that any scientist could possibly be religious.
My take: after 30 in a scientific career, I can tell you if you are looking for science to provide you an ultimate truth and pull back the curtains to reveal the deepest nature of objective reality, you are going to be disappointed.
Science and inductive reasoning are great things. Probably western civilization's most important contribution.
But all science can give you is provisional knowlege about how natural phenomena seem to behave.
After that, the meaning of life either comes down to cynicism, skepticism, hedonism, existentialism, religion, or some kind of belief in spiritual truth or moral philosophy.