So the OP is down, but if black hats truly made away with 700k BTC, they control some 700000/12440000 = 5.6% of existing bitcoins. If that's the case, is the or

So the OP is down, but if black hats truly made away with 700k BTC, they control some 700000/12440000 = 5.6% of existing bitcoins. If that's the case, is the original bitcoin blockchain really worth continuing?