[mardifoufs]

Online casinos have usually been very aggressively sponsoring anything and anyone willing to take their money (and the usual reputation hit that can come with the perceived shadiness of gambling). That's especially true for newcomers who just burn as much money as they can, trying to establish a foothold. I'd say, being on the front page of a popular, credible project like that is probably sought after, hence the unusual amount of casino sponsorships