Bitcoin price fluctuations don't just happen today, and they've been happening since Bitcoin was developed. Maybe for some people it will cause excessive worry, but for others it is considered normal. So the alternative will also not have a positive impact if the king has resigned. It is better to trade short term rather than switch to alternatives.
Many altcoins even more volatile that bitcoin, because they do not have the liquidity like bitcoin.
It is necessary to hold altcoins somewhere, that is why appear wallets like
https://twitter.com/ownrwallet/status/1503739848569589764 which allow to safety store cryptocurrency.