Sure , even if Bitcoin had a stable price, it would even now be well-liked currency , since simply it is obtaining extremely massive community supporting it, and it is increasing up every day.
no i think it will not be popular as now because a lot of people are started investment because they realized that how much the price of bitcoin increases and continuesly increasing, and if the price of bitcoin become stable than 50% people will start leaving it and the remaining people will not because their life is connected to bitcoin thats why.