I think alcohol will be a problem we have to experience first, and then recognize that in-game before we can solve. The Colonists know that it can be a problem in excess, but it is one thing to hear about it, another to have to go through it.
I think it won't be such a big problem here.
A lot of what made alcohol a problem for the Native Americans in real life was the social context in which they got ahold of it. They weren't just sharing beer with white colonists. By the time the natives were trading heavily with the settlers in alcohol, said settlers were already making
distilled liquor one of their main trade goods. Since you can use distillation to turn a surplus of edible grain into something much more transportable and storable and thus sellable. And the traders selling liquor by the barrelful to the natives had very little reason to be socially responsible about it, or to help the natives navigate the consquences of their drinking. Meanwhile, all this was happening in the context of the native societies being constantly trapped in an adversarial relationship with whites in general, steadily losing ground and having many problems that would catalyze ongoing social collapse. The firewater addictions were in many ways a symptom, not a cause, of the general problem.
It's not that Native Americans are ultra-super-duper vulnerable to alcohol. Maybe a little more but not absurdly so. It's that distilled liquor, mass-manufactured by societies with much greater populations and farming bases and sold to them cheap, created a drug epidemic not all that different from any number of other drug epidemics throughout history.
But the thing about drug epidemics is that they start around hard drugs that are strongly addictive and can badly impair performance,
both. There's no counterpart involving marijuana or coffee and there's a reason for that.
A bit on the historical side, while food made up only about 30% of the value of exports, it made up more than 50% of the volume of exports. In many parts of Colonial America food production was pretty much the whole economy. For example, 1700s Massachusetts's economy was over 50% fish exports with other foodstuff being about 15-20%.
I could be pretty wrong, but I think a lot of that exported salt fish was going to other colonies, particularly the cash crop slave plantations.