No, you don't know how it works.
"The trustor does not know what investments are held or how they are managed. This separation helps ensure that the trustor’s decisions in their professional role remain unbiased."
They don't know how they are managed so they can't influence them.
And that YT video is nothing but Carney saying he is following the rules. How does that prove anything? Don't be a Conservative stooge and use your brain.