Because it is a state-run monopoly in most jurisdictions, and in the remaining ones would likely require a legal staff substantially larger than the programming staff.

There's lots of them. Most of them are ... not quite legal.

While not legally gambling look at penny auctions. They are essentially a raffle and a ripe for governmemnt control.

to disrupt the industry run by government and the mob?

There are a few start-ups I know of that sell lottery technology/services to states, but afaik it's mostly dominated by big players and hard to break into.

I believe they were mentioned in the article. These people are buying tickets under companies, not individuals.