you are right, the purpose of influencers to post casino promotional reviews is because they have entered into a work contract with the company to promote their casino and increase the casino's reputation, so after the promotional work contract has been agreed with the company, they must carry out the task of making review posts to attract the interest of visitors, they make reviews are not based on real analysis of that casino, they fabricate fake reviews with convincing writing techniques to deceive visitors on casino review sites.
However, they (influencers) aim for promotion, so of course what they share with their followers are only good things related to the casinos being reviewed. Their goal is clear, regardless of whether in the review they share tips on how to use the casino well or share the risks of casino games. still, influencers are paid for the promotion of their casino products. There is nothing wrong with that, after all, they work in a paid casino. they cannot discredit the product they are promoting by talking about its shortcomings. however honest influencer behavior is required. it's not about losing or winning but talking honestly about the platform.