If bitcoin had a stable price it would be popular. Even if the price is stable or not the popularity of this bitcoin is not too much popular. Because many people dont know what is bitcoin. Many people dont need to use it. Many people dont have care about bitcoin. However it is not too much popular right now in the future i think this is the most popular coin even if the coin is not stable price.
It will still be popular especially if it will be stable in a higher value. People will still appreciate whether its stable or not. Because the value or amount people will ernes will only be based on their work on the strategy and their capabilities to earn.