It is always better to have this type of platform using bitcoin, rather than using or playing at a traditional lottery. This help bring crypto to the mass adoption, soon other casinos will join for synergy.
Well most online casinos have some sort of integration with crypto. They love money, so they aren't going to pass up on this potential income stream. Even offline casinos, in my country atleat, offer crypto -> store credit exchange. Sure, the rates aren't the best, but it enables you to come with some BTC and cash it in for local currency, and eventually spend it in said casino