You're making an assumption about your wife's position on alcohol that might not be accurate. Is it really that she thinks a bottle of wine in the house means one of you will end up addicted? Or could it be that the sight of someone drinking, or even the smell of alcohol, brings up upsetting memories for her? Is it possible that it takes a lot for her to resist drinking, and she doesn't want to have to use that willpower at home?
The small yet passionate world of MAGA-themed alcohol reflects a unique counter-culture that's emerged from Trump's presidency, focusing on merchandise that channels strong political sentiments.