I think if gambling companies can help to giving beginners to understand gambling and addiction it will help and reduce the rate at which people get addicted o gambling, I mean good lesson for people to get understanding. Or do gambling companies benefit from gamblers who are addicted, which the awareness of getting addicted can affect their business?.
Some casinos have a page dedicated on how gambling works and they have a warning to their players about addiction, its up to the casino players if they are going to heed those advice or ignore them.
When it comes to casinos the rule is to each is each own, you have to take care and watch for yourself, the casino is a profit generating company and you are the target to be their cash cow, so its up to you if you let them become their cash cow.