Free will is the ability to make meaningful decisions that are not merely determined by chemistry and physics, nor anything other than oneself, and for any decision, you could have decided differently.
Every event, no matter how small, causes an exponentially increasing number of consequences, spreading to countless causal chains in future history to the end of time. The result it that we are in no position at all to judge what God should, and should not, allow.
Science is now in a position to analyze effects to see if they test positive for requiring intelligence to produce. Applying that scientific method to biological life reveals that the fingerprints of intelligence are all over the genomes of life.