I doubt it will disappear, Bitcoin is on its tenth year and we have a majority of responsible users who knows how to take care of their wallet, and newbies are not lacked tutorials on how to protect their coins and their private key, there are so many articles about it online and so many youtube videos as well.
I agree, especially the biggest social media like Facebook will actually issue their coins, namely the global coin. and this becomes an objection that the bitcoin will disappear. and I think it will develop faster
Bitcoin has carrying its tittle as a leading coin in all currencies and it also resembled by many people who adopt its potential and liable platform. So I believe bitcoin will never disappear as the current market phase has shown gradual pump, a sign of having a great bull trend in the near future.