Not all altcoins can survive as well as Bitcoin, some have weak fundamentals, they have a small chance to survive. Moreover, for those meme coins that have no fundamentals, we cannot expect much on the future of those coins. That's why people suggest holding altcoins with have strong fundamentals such as BNB, ETH, SOL, ADA, MATIC, TRX, etc. These altcoins have a bigger chance to survive because they have good fundamentals.