The more money in the niche, the more skillful the scammers are. Nothing wrong. Members of the community from year to year are becoming more literate + there are services tracking fraudulent projects.
Yes most of the traders were learning how to determine those fraudulent project that has gone widely prominent around the crypto world, who created more chaos which has brought more hurt aches to several scam projects this year. This also created negative impact to crypto society, that leads to the downfall of the market due to disappointed investors who seem to experienced scam attempts.