People who drink in moderation likely also eat bad food in moderation, or smoke in moderation, or argue with their partner in moderation, or work in moderation,

People who drink in moderation likely also eat bad food in moderation, or smoke in moderation, or argue with their partner in moderation, or work in moderation, or stress in moderation or all sorts of other things over their lifetime. The blood thinning does sound like an interesting point but it's still really hard to see this as evidence without accounting for factors unknown. A lot of things cause heart disease and those things in more moderation probably stave of off future problems.