A lot of depends from the market. If market will start to grow they will change their opinion.
On people who do not have a permanent opinion and built the market. As soon as the market begins to grow, they change their minds, thereby pushing the market to even greater growth. They create a stir.
Partly yes. In other words, they create volatility. This allows short-term traders to make money. But most can be provoked (panic or FOMO) by the masters of market.
The bitcoin market is controlled by large investors. They set the rhythm of volatility. After all, it is their income.