Among other useful properties, digital currency allows individuals to move their money across borders without anyone asking them where it came from, where it is going and taking a cut. Seems like a very useful thing to have in today's world, no? Seems like something that will become increasingly useful in the near future regardless of your particular jurisdiction...
Is it worth $60k USD or even $20k USD? I don't know. There has been a lot of speculation and hype in this space and with the relatively low liquidity it is not that surprising to see crazy spikes. But there is a fundamental value greater than 0 for Bitcoin, and you cannot dismiss that in good faith.