If the bitcoin had stable price, I think bitcoin could not popular today and boring. I love bitcoin because the value is like a roller coaster ride. Many people think bitcoin as digital currency and today's the value is higher than i think before. So bitcoin made a history of this month, we hope that next month will pump more.
Agree, if it stable then it will be boring. Market should be interesting, and volatility is one of those interesting things. High volatility makes people able to against the time variable (read : shortened the time). Stable price identically with something calm and takes too long time to raise. If the value is worth it, then it's worth it you are buying (long) time for it. But, if there is the more worth it which takes shorter time why you have to wait longer.
And about Bitcoin's popularity I thing it's because its value in the most, and not about stable price.