Not everyone knows about trading, and not all small investors want to trade to increase the amount of bitcoin that many are still accumulating.
There is nothing wrong (and certainly anyone can make profit from trading) with short or mid term trading provided you have got the training of using technical indicators/charts and well aware of risk and money management tools which most important to take entry and exit at right time and securing your trade with stoploss to prevent liquidation of account.
Trading is never fearful job for those who are professionals, and they enjoy doing it.