Nouriel Roubini said that the decline of Ethereum was triggered by a few active decentralization applications (DApps)
and the result is 80% ETH drop and fall, DApps is crypto kitties, scammy, ponzi pyramid, and casino games. so the cryptocurrency has lost its value.
There is absolutely no doubt as to why it could be going down pretty fast at the moment, but it is not like it would keep being this way. It is understandable that people will tend to look for reasons anyway and even with all the ponzis, scam ICOs and so on that people keep referring to, it still does not change the fact that they will all vamoose from the market eventually, and then a new trend will begin.
Ethereum may have had its own share of disadvantages, but that does not mean it has not impacted positively in the crypto space. When bitcoin prices will be finding back its rhythm of getting into new ATHes, I believe ethereum also will be back to form to make us possible rich.