Referral bonus is great marketing of gambling sites or casinos. When you are invited some money in exchange for a member, you will encourage more new members to open accounts at those casinos or gambling sites and the more accounts you make, the more referral bonuses you will get. In accounting, casino establishments profit because the number of users of their casino or gambling site increases and through them they earn more and some of that profit is paid to members who invite new members to the casino. Referral bonus is not only given to casino or gambling site but every online business or other site offers this referral bonus so that users are more focused on those sites.
Yes, referral bonuses are a great promotion not only for gambling but for many other sites. And that encourages people to spread the links they have on their personal sites or social media pages. But it takes work because they have to compete with other people who also have the same desires. Casino companies benefit from new members, but people who help spread their casino links also benefit in the form of referral bonuses. This is a reciprocal relationship provided by the casino for its members so that they can earn additional income by introducing their casino site in other places. But people who intend to spread their referral link should actually find a casino that pays its members who have helped spread their casino link and can get new members to sign up at the casino.