There isn't even a small level of alcohol that's safe: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(18)31310-2

And so even if a moderate level of alcohol might have therapeutic effects, any such effects would be completely negated by other damage caused to your organs. And with how common substance abuse is, the category of "moderate drinkers" probably hardly exists. You either consume little to nothing, or well past any therapeutic dose.

Alcohol causes hypertension, so what good could it really do to prevent heart disease?