it is also depends on the user if it is careless or slovenly about their information and security well that user need to orient about safety of bitcoin wallet, and other stuff also by the way thanks for sharing your tips.
Bitcoin is safe, with security feature in place, its only, some incident of hacking, password was left in an open place, but on the manner of wallet hacking yes, it is always possible, it is our responsibility to make our wallet secured and only one person have such account. Be safe, Be secured. good luck.