According to this article, Ethereum has a tendency to continue to decline in value if the buyers will fail to break the 330$ value.
i dont think this is main reason, i think reason is:
- ethereum is inflation token not deflation
- ethereum is too coplicated to be able to work correctly, every month there are bugs that cause ethereum network to go down almost
- ethereum is ruled by 1 man and 1 man can destroy it forced by someone else