Christians are often accused of having a God of the gaps mentality, but does the naturalist come out any better by saying that in the future we will have the answer that won’t require God?  I don’t really think so. It is a guess, based on their preconceived notions. There is a big difference though, as Christians, we know that God works in two main ways; naturally, and supernaturally. We are open to all sorts of scientific explanations. Naturalist, on the other hand rule out some possibilities before they have collected a piece of evidence.
It is OK to keep looking for evidence to confirm or deny your hypothesis, but at some point you have to go with the evidence you already have. More and more people are beginning to believe that it took an intelligent agent to create the universe as it is how with the ability to support life. This isn’t just a guess, or lazy thinking, it is inferring the best possible explanation

Related.

“God of the Gaps” Excuse is Circular Reasoning — Logos Apologia.