The “God of the gaps” argument is largely rejected today. In the past, some Christians saw that science could not produce life in a laboratory and concluded, “Only God could have done that!” That is a classic example of this reasoning. Yet this approach actually contradicts the Bible’s own claim that God’s existence is already clear from nature, not hidden in gaps of scientific knowledge.
Appealing to God only to fill what we do not understand is also a denial of the idea that God is a perfect being who should be served for his own sake. It reduces God to a convenient explanatory tool rather than an object of devotion.
It is often claimed that the most important question for believers is “Why is there something rather than nothing?” Religion hopes you will think of God as the answer - this is the ultimate God of the Gap.
But the question is mistaken. A more fundamental question is: “Why is there a God rather than nothing?” If God is the creator, he must be more important than the universe he supposedly made. In that case, the existence of God is the primary mystery, and the existence of the universe is secondary. Believers typically respond that God simply is, but that is not an explanation. And if the existence of God has no explanation, then the question “Why is there something rather than nothing?” cannot have one either, because the ultimate explanation (God) is itself unexplained.
Thus, if one assumes God exists, the question becomes unanswerable from the start. The origin of God cannot be accounted for, so the origin of the universe cannot be, either.
If the question is unanswerable, this does not automatically mean the universe is purposeless—only that purposelessness remains a possibility. At the same time, an atheist is free to conclude, or at least to guess, that there is no purpose, since not everything requires one.
It is unreasonable to ask “Why does the universe exist?” without also asking “Why would God exist?” The two questions are inseparable. Yet religious apologists frame the issue only as, “Why is there something rather than nothing?” hoping to steer people toward concluding that a supernatural creator must be responsible. They avoid the more complete version of the question—“Why is there both God and a universe rather than nothing?”—because that phrasing exposes the unexplained existence of God as part of the mystery rather than the solution to it.