Bitcoin is still alive is the proof that bitcoin network is really strong. Most bitcoin stolen/lost usually because user fault or 3rd party service bug anyway
to more strong security we has to use high security
Don't say it may never die because still bitcoin is on the stage of half balancing. But you are right with that bitcoin is strong when it regards to its blockchain technology security no one can ever breach its system. And those people that are thinking bitcoin is not secured and strong are just looking upon the exchange sites that suddenly hacked and breached.