The term for this is bubble. Yes, people and other users within the Cryptocurrency thinks that bitcoin is a bubble but their perspective should change by now since Cryptocurrencies already proved themselves that they can be valuable in the world we live in. Some people turn-to Cryptocurrencies when their physical jobs were lost and because Cryptocurrency is easy to access and useful during the pandemic, a surge of users was introduced to this industry. I still think that Bitcoin will stabilize at some point then have another surge in value for who knows when.