Why not dump your entire life savings into it right now?
Because there's risk, it fluctuates, there's no guarantee it will always go up. People need to decide to what degree do they want to invest and be exposed to the risk and reward. Say someone decides they want 1BTC of exposure, and are contemplating buying an item of 0.01BTC. Would that really be a big deal? Small changes in the degree of exposure shouldn't be a financial problem to worry about.
Because there's risk, it fluctuates, there's no guarantee it will always go up. People need to decide to what degree do they want to invest and be exposed to the risk and reward. Say someone decides they want 1BTC of exposure, and are contemplating buying an item of 0.01BTC. Would that really be a big deal? Small changes in the degree of exposure shouldn't be a financial problem to worry about.