It's a fun moral question. At what point do you give up trying to make someone/a population healthier and say "well if you're going to be this way, we might as well get some use out of you"?
(To me, it seems) The same people who screamed to legalize weed a few years ago are vehemently against alcohol and gambling.
I was convinced by this for a full 30 seconds before I realized there are millions of advertisements for the state lotteries. They aren't just regulating a market that will exist with or without the state, they are actively promoting and encouraging it
You have some numbers to check.
(“Elaborate thoughts” aren’t needed here - are more people spending less on the lottery? where does each state spend the money?)