If Bitcoin falls to $5,000, naturally all alts will start following Bitcoin and are likely to fall even harder than Bitcoin
Unfortunately you are right. The entire cryptocurrency market is stick to Bitcoin price. However, I think that some altcoins are no longer in danger because they are already at the very bottom.
I am hoping for an exception - If the Bitcoin price actually continues to fall, I hope that Ethereum fork will succeed and this will cause the ETH price to break away from the BTC price and start to rise.
The fact is that altcoin such as Ripple, have already found their niche in the financial world and will be used in one way or another, no matter how the fate of Bitcoin develops in the cryptocurrency market. But if you take the ethereum as an example, then I hope that this coin should no longer be associated with bitcoin, because it can only be called on certain movements in the cryptocurrency market, and not respond to a drop or increase in Bitcoin prices.