Let me make an analogy. Bitcoin is the house of the cryptocurrency market and Ethereum is a car. What do you think of other currencies? LTC? EOS? SHIB? NFT? etc.
I like the analogy 
Yes, bitcoin is a house and the other currencies is at the inside of the house
Bitcoin is like a city that leads the citizen to follow the bitcoin path as we know that bitcoin price can affect all of the coins. But I do not think that SHIB can follow the journey since the project is new and needs to survive in the crypto for some time. Who knows in the future, everything will change and the inside of the crypto will be different than now.