Trust system is nothing. I am here for 5 years. You can give negative trust one of a scammer hen he creates a new account and scam anyone. Easy. Trust system is just for trusted members gang
That may be true. However, people are more likely to succeed scamming by using an established account with some clout. Once such an account is tagged, that person can create all of the throw away accounts that they want, and only fools will take them seriously.
Unfortunately, Not everybody uses their mind.