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There is no reason to prevent for-profit companies from achieving those goals especially increasing user satisfaction, but, the problem is do they use manipulation techniques or shady schemes to achieve that?
If that is true, then the word itself will become sinister. Instead of feeling better, the users are manipulated. This is obviously wrong, and we know there is antitrust toward big technology companies, and the reason is because they practise those things.
The thing is that every company, from a major one to a tiny food stall, all of them are trying to "manipulate" people so that they were buying their products. And those who are telling you about "manipulation techniques or shady schemes" are doing that too. They just want you to consume their product, information in that case. And it's natural, there's nothing wrong with that. You just can choose not listening to them, including the promotion from casinos. It's your choice.
I suspected this at first but I never saw it with my preliminary studies on the site. What breaks my heart the most online is what you just narrated, at times, I would believe that a site is so people and humanitarian inclined, but in the end, you would see them introducing some unexpected products/services to you. They just use the first opportunity of coming as an angel to get into you. To make it worse, the money to pay will not be such that is not so affordable, so why toying with people's emotions? It can be so annoying if you have been wasting hours reading their articles or watching their videos, and it will just be as if the person is hooked at one point. Out of no choice, at that point, many would still buy the products/services to try as they might have indeed entered their heads and manipulated them as you called it. But for me, I can never do that, I don't fall for cheap gimmicks like that whatsoever, but it instead annoys me. Even if I would have bought it if plainly and politely advertised, I wouldn't give it any shot again when it looks cunning to me.