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2.People with 0 crypto knowledge started investing in ICO's.
3.People with 0 crypto knowledge started doing bounties.
(Those are the spammers in Bitcointalk)
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5.Scam ICO's and useless ICO's came in to play.
6.Because of the ICO flood, ...
...
these are all the reasons why ETH got pumped!
a lot of newbies entered the market thanks to all the bitcoin media coverage. and then they were exposed with a lot of advertisement telling them "THIS is the way to get rich" and THIS was either investing directly in ETH or investing in countless number of ICOs which then needed them to buy ETH!!! so a huge temporary demand was formed for ETH which is not going away as ICOs are dying so ETH price is falling.
and that is a bitter truth...