"Early studies suggest that GLP-1s may be effective in treating opioid, alcohol and nicotine addiction. Researchers are examining whether the drugs can also help people who are addicted to gambling, sex and shopping, among other things."

https://med.stanford.edu/news/insights/2025/04/ozempic-addic...

Yeah - powerful confounder to all the analyses of customer behavior. Even the article itself calls it out - there probably is a good way to segment it, as GLP1 availability is not uniform, some states regulate it more tightly etc.