The solution to the fine-tuning argument is the existence of large numbers of universes with different values, plus anthropic principle.
This still leaves a question: Why is it that the laws of physics imply that out of the space of all possible combinations of physical constants, only a tiny subspace gives rise to an interesting universe?
This still leaves a question: Why is it that the laws of physics imply that out of the space of all possible combinations of physical constants, only a tiny subspace gives rise to an interesting universe?