This paragraph simply tells that you also do not have experience because you should even be in doubt immediately he told you a random person decides to sell his NFT that would generate more money every day. There is absolutely no one that want you to earn something from the internet. There is nothing like free money on the internet, so once any juicy offer comes then know that it is certainly a scam. One doesn’t need to have knowledge about this to dictate how it works, luckily your friend was able to come out well from this.
At last, scammers need to lure them into some offer so that they start to think that this is the one and only chance to earn free money from the internet, and they fall for FOMO and fall prey to the scam too. The best practice is to follow someone's advice when they at least tell you not to do that. Ok, I get it. If you are stubborn and think the advisor is the hurdle between you and your success, then at least try to look from a different angle at what benefit it brings for the advisor and scammers.
Then those scam victims will understand that they are making a mistake by believing the scammers. These are all just phishing schemes to lure them into thinking that you will earn a hell of a lot of money by doing just nothing.
I totally agree with you that once we eliminate the idea from our minds that there is nothing like free money in the world, then we will be saved from scams for all time. well, at least to some extent. But these scammers always come up with different ideas as they have a higher IQ than the Einsiten.