Do you think if BTC had a stable price which could only be altered by $0.01-0.10 it would still be as popular and as used?
Of course bitcoin will remain popular. because it is a digital currency, different from fiat currency.
No there will not be any popularity for bitcoin. Being digital dont make bitcoin famous, it is the high profit percentages that it gives to its users and this is the only one reason for which bitcoin is being praised by everyone here. And when you talk about being stable or not, believe me the instability is the only one key for bitcoin for this much fame else it will be like any other fiat currency.