there is nothing that can be done to stop the scam, unless we do our own research beforehand on what we want to invest, no one forces you to buy anything here, this is purely the responsibility of each individual.
as for this forum has stopped many of these activities but it is impossible for all of them to be covered.
It's your money to take care so better to do your own research before placing your investment. No one but you who have full responsibilities with every actions that you'll going to take around this investment venue, your knowledge will guide you what to and where to invest your hard earned money.
Crypto can never end a scam. Open to everyone here. Anyone who creates an account can bring any type of project. But users have to be careful and work with caution. Especially where you can get more profit by investing less, you should never invest in all those places.
With doing your research, it will lessen the chance of being scammed, many projects are being introduced from time to time you have to be more active and alert if you are planning to participate. Deeper understanding saves your butt losing your investment.