But scammers says lie or does not fulfil his obligations. Scammers must be punished.
In crypto-startups, the investor voluntarily gives his money away without any regulatory documents. Therefore, those who receive this money do not have formal obligations. Even if the project team is not a scam, they can easily become one, since moral obligations are weaker than formal ones

There is white paper, there is roadmap. But very often the team of the project does not fulfil the promises from white paper and roadmap.