The positive efffects of ETH going down
1. Short term investors are put off
2. Hype based projects that never deliver are discouraged to put in the extra effort.
Perhaps it's the perfect time we wise up about this domain - investors need to do better and more research, have direct contact with teams and really look into the technology.
One of the biggest problems for investors is that they do not have a place where they can get proper investment information to inform their investment decisions. The sources out there like the ICO rating sites take money for delivering high ratings and can not be relied on.