From a government/authorities standpoint there are worse things that could happen crypto-currency wise, bitcoin is only just the very first manifestation of an established and working cryptocurrency with a sizable following and capitalization, but most people are fully aware of its shortcomings and weaknesses - and in fact working on improved implementations that could have a much bigger impact on globalization and adoption by black markets. With bitcoin, there's at least a public bitchoin to trace and validate transactions in a p2p network.