People can not endure test of time, everybody is taking out their bitcoin investment because they've no strong foundation for bitcoin but those staying and keep trust the project of bitcoin will reap the reward of their patients.
In every commodity, there are people who fully believe in the product and knows the profit capacity and probably of it while there are people who just want to hang around for the little and near time profit, in trading parlance they are called scalpers. So understand it that there are weak hands and strong hands and this is also how bitcoin investment is, there are those believing in the long time and short time. It is not every investor that will stay for all the long time, there are those that will stop on the way.