It will never happen and just imaginary question. according to Google survey more than 1.3 million users are holding btc and this number was just 1k in 2010. The possible reason to drop btc to this stage os only if Btc Contract code accessed by someone and hack the full code which is impossible. This isbthe reason Btc is Most trusted Crypto coins because of its decentralization.
But till now no one can hack full code of bitcoin and thinking it is just an illusion that will never happen worst impact on crypto so we have to be positive believe bull season is coming and for anyone long term investment will take high profit so take advantage of market corrections to increase bitcoin balance in trading accounts and don't risk FUD for $10 because that prediction will never happen.