comparing a limited digital currency that have real use to an unlimited game currency that can be made by just sitting or doing some useless stuff in game? that's rich.
comparing a game currency with bitcoin is pointless.
Once the novelty of using buggy whips wore off, the media, as well as companies who had invested moved on, letting the community stagnate. Although it still has a loyal community of 1 million users, buggy whip users attracts nowhere near the same media attention as Ford et al. horseless carriage.