The bitcoin volatility is not that bad to be called a "disaster" as you put it. It is annoying at best. For example if you look at the past 60 days we only had 2 big rises and 2 big falls that are bigger than 10% and covered about 5 days, the rest of the time meaning most of the remaining 55 days market was moderately calm. For example in the past 10 days the biggest thing we had was a 2.5% drop and a 4% rise!
This is just the most recent case, in the first 4 months of 2019 (~120 days) price was a lot more stable and for much longer.
Almost certainly not a
disaster though I would say it's far from ideal for those that use Bitcoin as a currency rather than an investment. Although, those do seem to be rather thin. Most users here, and most people I know invested in Bitcoin are doing it to eventually cash out back into fiat.
Ideally, it would be nice to see the volatility be below 1% over a extended period of time, at least from a user point of view. The investors probably wouldn't be happy with that, and undoubtedly would start posting about Bitcoin being dead.