What does ponzi, scam have to do with a bear market?
You cannot associate the bear market occurring in the crypto market with ponzi. Ponzi is a real scam. While bearish is a crypto market condition with a downtrend, because there will be an uptrend called bullish.
If you think bearish a scam, then when the bull you will say the fairy is rising.
You have to study the history of Bitcoin a lot so that you gain knowledge about Bitcoin.