LOL. This problems you have pointed is just being ignored by its users. You know why? Because it has been very profitable, of course RISK will always be there, but it is nothing compared to the price you can get.
My friend bitcoin is not useless because many people really deserve to be a wealthy elite because of bitcoin and the crypto currency that most effective in online income.
Online income? What this? Do you think the rich care this issue? Even me, I do not care about this issue because this is not the main of feature Bitcoin gave us. Blockchain was the most proud technology of Bitcoin, but for current, I do not have much faith in the future of blockchain in Bitcoin system.