Because at the moment it's not the end of bitcoin and altcoin because in cryptocurrency, administrators continue to support existing markets as long as possible and don't have to worry that it will end because investors will help the platform to become a bounty hunter will remain strong
bitcoin is global, so its fate is determined by market players, all of which are related to bitcoin. so the position of bitcoin cannot be determined by any country, if the market still needs and there is still trade going on so long as that bitcoin will still remain. it is possible that bitcoin cannot be lost because it is decentralized, which means that it is interconnected and each bitcoin server records all transactions and all data on the number of bitcoins, even if a country cannot turn off all servers in the world.