It seems regeneration is a combination resulting from the organic intersection of God’s divine choice and action, and our own receptivity and reciprocal action.
These were newish Christians, still in the early stages of having their faith anchored in truth. What a precarious time it was for the first century church.
Now, Peter would present his second and third examples, God’s cleansing the whole earth of abject wickedness, yet rescuing the tiny remnant of righteous ones.
There would be a time of corruption and villainy, but then would come God’s decisive judgment in ways that would summarily dispense with the wicked and would rescue the innocent.
In a court of law, conviction comes right before sentencing. But, it seems, in God's courtroom conviction comes before the crossroad of commitment. "Sentencing," if we want to call it that, seems to be sourced in the individual, not in God. And all this was terribly important, evidently, to Enoch.