Bitcoin was not created to fight any other currency, but stand as a unique digital currency in which everyone wanted to use and have the necessary and required financial freedom when using, other cryptocurrencies are coming after the likes of bitcoin as they continue to make moves to be the same way bitcoin has been appearing, they are the one coming after the likes of bitcoin, bitcoin stand to lose or struggle for anything, while other cryptocurrencies are running after the chase to be close to it's utility and value.
Others won't be Bitcoin, even if they try to copy it
And most understand this - yet people still love to think about X coin flipping BTC here and there.. fortunately, it's all speculations, and BTC is still on top.