>>63871871
Because the natives are a lesser race that never developed past hunting and gathering. Fundamentally, North American Indians for the most part were and still are, a race of undeveloped losers.
They never experienced the fruits of organized agriculture, nor did they go through the centuries of selection pushing bloodlines into adapting into civilized manners of existence, with all the vices therein.

>>63871940
>Putting myself in their shoes I think I and my descendants would also all turn to alcohol
You would not, because you come from a race that's inherently adapted to not only agricultural, but also industrial, civilization.
The Native Americans are the equivalent of Yamnaya primitives.