Around the same time, some people realized that bitcoin was deflationary. And, you had two groups: One started hoarding coins and pumping it, and the other group realized it was a pyramid and had too good a conscious to participate. And, the pumping continued until today. And, maybe some people are sour?
Then, for 14 years, tons of money was dumped into it, and not much happened. It's still mainly used for black market goods. It still has terrible user interface. The transaction rate is still low. The transaction fees are high. And, it's too easy to have your coins stolen.