Judge rules coffee sold in California requires cancer warning

The video discusses acrylamide, a potential carcinogen produced when coffee beans are roasted. While animal studies have shown that high levels of acrylamide can cause tumors, the effects on humans remain inconclusive. Experts note that the amount of acrylamide in coffee is small compared to other sources like French fries, potato chips, or tobacco. Due to the failure of coffee companies to prove that acrylamide poses no risk, a judge ruled that coffee sold in California must carry a cancer warning label.

What was the ruling of the judge regarding coffee sold in California?

Why did coffee companies fail to show that acrylamide posed no risk?