You can just ban these gambling and marijuana companies that cause harm to people. This article does a good job of summarizing a few, but not all of the reasons https://www.usatoday.com/story/opinion/columnist/2026/09/29/...
Marijuana is not zero harm, but guess what: Making it illegal is ALSO not zero harm. The drug war is an abject failure, US consumers have driven Mexico into a failed state with roving gangs of narcos who murder crowds of people with impunity.
"Studies say..." OK. Actually study weed then. Actually do clinical trials and apply science and tell us the actual results. Actually doing that has been prevented because it is a scheduled drug federally. So all we have is folk wisdom and half-baked one-off studies. "Linked to" has no scientific value, it is a term the news uses to scare people.
I think people should be informed and be allowed to make their own choices, as opposed to creating a huge and tyrannical law enforcement agency that will ruin a kids life for carrying a plant around.
Always funny how conservatives are the party of freedom, unless it's something they don't like.