The cryptocurrency market is subject to manipulation due to this great volatility. That is why many do not like this market (or vice versa really like it).
Because a big volatility and a lot of manipulation cryptocurrency has a bad reputation and there are a lot of frauds. I think that it is very bad for development of cryptocurrency.
You can read some books about the history of the formation of the stock market (for example, a book about Jesse Lauriston Livermore) and you will find out that there were no less speculation and fraudsters. Cryptocurrency market at the beginning of the journey.