From the Mel Gibson arrest report: "While conducting an inventory of Gibson's vehicle, I found a 750 mg bottle labled, 'Cazadores Tequila', that was approx. 3/4 full of liquid contents, concealed in a brown paper bag... within easy reach of Gibson while he had bveen driving..."
No excuses for Mel Gibson. We've met him, seen his work and know his local and tabloid reputations, but we don't know him or what's in his heart.
But we have, in past decades, been acquainted with tequila.
And we know there's a major difference between the effect of beer... wine... vodka... or whisky... and that of too much tequila.
Tequila is something else altogether.
Tequila can be a wonderful thing, but consumed unwisely, it is the devil's juice. It can safely be considered a drug-- less a truth serum than a hallucinogen.
And though we do not endorse the 12-step program(ming), we do know that an excessive binge on tequila can summon demons that a person may have dedicated his life to overcoming.
Considering Mel Gibson's upbringing, controversy, religiosity, Catholic guilt and apparent inner rage, it is very possible that he did indeed come to his senses with a deep sense of embarrassment and shame.
See Tabloid Baby. Pick a chapter.