A theologian upholds something I’ve said repeatedly over the years: Without Adam and Eve, the Christian narrative fails.
The only answer left, an answer fraught with theological moment, is that in history evil ruptured God’s good creation; that evil was the rebellion of a historical Adam, an event wondrously rescinded by the atoning work of a historical Jesus. Current scientific orthodoxy may judge this position impossible, but it is the only possible position for theological orthodoxy.
And since there is no question whatever — None — that Adam and Eve are make-believe … that’s that.