To be fair, there's a good reason for that! [0]

But its not clear that's what's happening. Usually with grey area startups there's a section that at least attempts to describe why they are not running afoul of the law. This site under legal information is just a privacy policy, so, yeah I guess they should spend a bit more time explaining how they will make money. Ads?

[0]: https://en.wikipedia.org/wiki/Parimutuel_betting