I think it will be quite difficult to eliminate a huge number of intermediaries. Because a lot of money in this area means people keep their working places ...
Nevertheless, I am sure that in the future they will have no choice, since blockchain-based solutions are much more economical and more practical. It does not involve a large number of people.
You are wrong! The man has always been, is and will be the main tool of the work! New technologies are constantly buggy, go astray and cause huge losses. People are not going anywhere. It will just be less unprofessional work.