after SUI mainnet many people think that the ecosystem will be difficult to progress or less interested in many people, because there are many deficiencies from certain factors. The price of the SUI coin, which continues to decline, makes investors panic, they sell faster, do not hold long term, many think that the SUI coin might be able to achieve a dip of 0.1 $. moreover crypto is currently having less good news of the SEC drama
sui just got abandoned by their investors after their investors successfully profits from the presale.
it's as simple as that and many doesn't even interested in the ecosystem of sui, since it's all the same with other blockchain.