According to Michaël van de Poppe (@CryptoMichNL), current sentiment analysis shows significant negativity around altcoins, with many traders classifying altcoins as 'dead' even during an ongoing bull market (source: Twitter, June 5, 2025). This prevailing bearish sentiment, despite positive market momentum, may indicate potential contrarian trading opportunities for crypto investors monitoring sentiment-driven reversals or undervalued altcoin assets.