Sorghum syrups are carried by most online stores now. The biggest problem is the lack of GF specialty grains. That really limits what you can make and the ones I've had seem rather sweet. Maybe you & he can find some sorghum grain and malt small batches, then roast/toast them.
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