This may be due to various media and predictions about Bitcoin, especially influencers and influential people who say so. So many people have high expectations of Bitcoin. However, at this moment it was not fulfilled, they would be sorely disappointed.

Yes, they are actually normal, moreover we know that from the beginning of BItcoin, many people have underestimated Bitcoin. But now after knowing the progress of Bitcoin, they are overestimating. It relates tot he nature of human itself.