More sugar is all it takes, double the sugar, double the ABV. Double again and your yeast dies. More of a Hard Ginger Lemonade, people like to reserve 'beer' & 'ale' for grain beverages (but then there's barleywines). I've done ginger in ales and ciders and consider the cider approach better.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk