It absolutely is "somebody's business", when the state is either running it, or enabling it with heavy legislation.
Banning gambling outright is an obvious way to make gambling black market. But we can take commission reports like this ( https://govinfo.library.unt.edu/ngisc/reports/7.pdf ) and determine best practices how to minimise gambling's impact.
1. Commission recommends that states, tribal governments, and pari-mutuel facilities ban credit card cash advance machines and other devices activated by debit or credit cards from the immediate area where gambling takes place.
2. (State, local, tribal) they should recognize that, especially in economically depressed communities, casino gambling has demonstrated the ability to generate economic development through the creation of quality jobs.
3. (States, localities, tribal) should recognize that lotteries, Internet gambling, and non-casino electronic gambling devices do not create a concentration of good quality jobs and do not generate significant economic development. (Think of this as video slots in corners at gas stations)