Original:
http://www.newsbtc.com/2017/05/07/bitcoin-end-another-prediction/
And then, there is the standard argument about guns, drugs, contraband, etc., on the dark web which can be bought with Bitcoin. Money laundering, illegal gambling, that people are allegedly doing with Bitcoin. But Bitcoin is not anonymous, it is pseudonymous, and some companies have already developed technology to track the transactions on Bitcoin blockchain.
All the other illegal activities where the cryptocurrency is involved existed even before it was created and they were all fueled by hard cash at that time!
You can lock this thread now if my explanation is clear enough...