Why do you care if someone spends it on alcohol? Where does this paternal instinct to tell someone else how to spend money come from?
Where does this attitude towards how someone spends their income come from? Is it the assumption that someone who receives aid is incompetent? Is it the assumption that you can handle someone else's finances better?
How does disability, illness or losing your job warrant being micromanaged by the state?
UBI proposes to do away with monitoring/restrictions on recipients of such income because it's inefficient and based on the assumption that someone else knows how to allot another's limited funds better than that person.
You are caring hard about how someone spends their pennies and it leaves me here wondering, why? Aren't there bigger fish to fry?