I think it's safe to say that beside national security risks. Allowing unrestricted betting on pretty much anything in the world is just not something we should have...

Third order effect on post-AGI economics when those with expensive mortgages lose their jobs to AGI, can no-longer afford them, burn through their savings and get wiped out in a financial market crash because most of them used their RSUs to get mortgages for their homes, which now does not make any sense today.

Then gambling on prediction markets, stocks, crypto etc will be the new normal.

This is post-AGI.