It was interesting to watch the crypto subreddits and see so many people make the same mistake. I was surprised that $6K held for so long, because if $6K really was the bottom, it would've been a pretty shallow drop from a very steep bubble. That's only 2/3 down, and it was the point Bitcoin hit in Oct 2017. Bitcoin was The ETH drop is fairly easy to explain - it was the base asset for a very interesting double-pyramid-scheme on the way up, which meant that that leverage works in reverse on the way down. The ICO boom worked because many of the people investing in ICOs had bought their ETH for pennies and already recouped their costs; throwing $40M into a shitcoin makes a lot more rational sense when that ETH actually cost about $4K in real money, and the factor of 10,000 difference is the price appreciation of the asset you're putting in. That led to eye-popping dollar valuations for many of these companies (even though they were actually raising in ETH), which brought more newbies into the Ethereum world, which pushed the price even higher, which meant later ICOs were raising even more in dollar terms, even though the actual dollar amounts traded were tiny.
On the way down, this cycle works in reverse. Those ICOs don't actually hold $40M in a company bank account; they hold 33K ETH which was worth $40M at the peak. Now that ETH is down to $94, they hold more like $3M, and they're getting scared about being able to pay salaries. So every ICO that still holds ETH is trying to liquidate it for dollars, but they're fighting over the much-reduced pot of money that is coming into crypto now, which drives the price down every time somebody wants to sell.
Personally I still think we're not at the bottom yet (for either ETH or BTC), but we may be getting close. We're at the bottom when companies start going bankrupt, Solidity engineers start getting laid off, and people start going to jail. Assuming it's not all smoke and mirrors and some useful infrastructure was actually built, it'll be the buying opportunity of the lifetime then, because everyone will think this whole crypto fad will be totally over and you'll be able to buy up that infrastructure at really cheap prices.