In this concept or ideology, its obvious that bitcoin is the father's of cryptocurrency or any other coins, other coins like ETH, litecoin and so many coins to be mention are under bitcoin, and its very clear that bitcoin gives other cryptocurrencies life for existence, so bitcoin will continue dominating any other coins also continue to be valuable than any other coins. Sub coins are alternative coins and they not be use to compare to the potential of bitcoin, and lack potentialities been alternative coins, and that makes so many of them to have shorter life.
In addition, Bitcoin is more adapted to life than any other cryptocurrency. Even considering that acceptance of cryptocurrency as payment is only in its infancy, bitcoin is already at the top. Therefore, it is unlikely that anyone will be able to move it in the near future.