His entire working life he was never a sports fan, but in retirement he seems really into it. There have been a lot of changes, and I really hope this doesn't become one of them. I could see him really getting into all the statistics.
If the person loses their first bet, and it's against another player, then not only have they potentially hooked in a new player but they also rewarded an active user.
If the person loses their first bet and it's against the house then they just attracted a potential new player while paying $0.