If the price of Bitcoin rises in price, all Altcoins will also rise. For old coins that have no sale value, not necessarily if Bitcoin rises the price will increase. All depends on each coin if the developer continues to be active and works hard to develop coins, of course, he will have a sale value.
maybe nowadays the guideline that is often used as a comparison is bitcoin because the price and value of bitcoin are still large compared to acceptable currencies and as guidelines for other coins