On this weeksLast Week Tonight, Oliver took a look at how these websites classify themselves, and how, despite avoiding the word, gambling seems to be part of the sites foundation this despite all the advertising specifically billing them as skill-based, rather than luck-based entertainment options.
Watch Oliver tackle the subject above, which includes a new advertisment that paints what he believes is a more accurate picture of how these websites operate, with a little help from Seth Rogen, Martin Starr, Kathryn Hahn, Adam Pally, and Mike Birbiglia.

Credit: HBO