Every mystery we ever had to solve that was solved in some way was explained through natural causes. This includes the diversification of life, thunder, etc.
On the one hand, the large amount of time we’ve had in investigating matters and not seeing any definitive evidence of god seems to count as evidence only against a specific type of god: a god who would directly intervene in an obvious way. For example, clearly, a god who decides to speak a voice from the clouds where the entire globe can hear it and says “Here I am” in 2022 does not exist. For otherwise, this would have happened and been recorded.
On the other hand, the invisible and the nonexistent look alike. Similarly, absence of evidence often looks like evidence of absence. And the longer this goes, the more surprising it would seem, atleast intuitively, to find out that god indeed does exist.
So should we decrease our confidence in god the longer we go not finding him?