no matter what happens bitcoin price will surely increase in the future no matter what happens
Not everyone has that much faith in bitcoin though. Some are shortsighted and those who trade frequently are more likely to panic sell.
Yes, it seems that some users have lost their faith in Bitcoin any many of them are prone to panic selling. But I think there is no solid reason for panic and experienced traders should know better then that. But it's easy to react on current issues on the market although is always better to keep the cool head and think twice about every decision
I think they must be new to bitcoin community and are not used to price fluctuations involve in bitcoins so looking at price going down they easily get panic thinking that bitcoins will not bounce back again and start selling their coins at cheap price.