Steam dropped bitcoin support citing "high volatility" as a motive.
When amazon stock jumped from $18 to $1,200 over a period of years, was this high volatility a bad thing?
If bitcoin's value increases from $6,000 to $16,000 over a period of months, and HODL'ers benefit, this high volatility is bad?
Where does the idea of high volatility being an unnecessary evil come from?
Are there good arguments or evidence which support the concept of high volatility being a negative circumstance?
In a sense, volatility simply means the price of something moves a lot, its not that bad if the vast majority of motion is in an upward direction?

Volatility of bitcoin has developed due to the dearth of market knowledge amongst it's investors. People investing in bitcoin for a quick cash generally tend to get swayed by market emotions and overambitious claims by the champions of the crypto currency.
The complexity of Blockchain and the esoteric manner in which the currency operates makes it a tough study, this leads to people investing mostly on the basis of little know ledge and hearsay. As a result the market experiences intermittent patterns of sharp rise and fall, this leads to volatility.