Look at all the financial interactions you have in your life for banking, insurance, buying and selling where you have to trust faceless, nameless people working for a company whose decisions can change your life. Would you prefer to continue to trust them ?

Or would you prefer to work with a deterministic, distributed system that is not built on trusting those companies but rather built on a transparent set of rules that are out in the open for anyone to see ? These are the reasons crypto has taken off.

Yes there is massive speculation. Just as there has been at the inflection point of every new technology. And every single one of the technologies has been dismissed by legacy institutions. Until they weren't