FanDuel opens on a sportsbook opening. Two basketball players mid-jump, a bet prompt, and bonus bets for new customers. It does not look like a casino at all. The entire above-the-fold experience is sports. Then you look at what FanDuel actually offers and things get interesting. Eight distinct products: a sportsbook, a casino, fantasy sports, horse racing, PokerStars, a research and data tools section for bettors, an actual live sports TV channel, and something called Faceoff for head-to-head contests. This is not a casino that added a sportsbook. This is an entertainment conglomerate that happens to include a casino somewhere in the middle of its product lineup.
Directly below the FanDuel logo, before you even get to the nav bar, a responsible gambling banner runs the full width of the page. "Play with a plan" with a link to tools and resources for staying in control. I cannot think of another operator on this list that puts responsible gambling messaging above the main navigation. Most bury it in the footer. Some link to it from a help page nobody visits. FanDuel made it a permanent header element. Whether that is genuine concern or regulatory theater is not for me to say. But the placement is different from everyone else, and that matters at least a little.
An NBPA partnership badge sits on the sports hero. The National Basketball Players Association, not just the league. Having the players union as a partner rather than a team or a broadcast network is an institutional credential that most sportsbooks cannot match. It signals a level of legitimacy that transcends the usual "official partner of" marketing deals.