DFS is more like the stock market: the skilled players take advantage of suckers and get richer, while the average schmuck only wins by not playing the game (and just investing in index funds).<p>The difference between them is that one provides an essential function to our economy, and the other is just a sports book. Hell, even the stock market has a definition of &quot;professional investor&quot; that means certain consumer protection rules don&#x27;t apply to you because you should know better.