It means "hi spending approver, I'm going to add $100 to our CF account" instead of "hi accounting+management+security, please initiate the process of evaluating new third party vendor Foo for use in my project, I hope we can get it approved and integrated into SSO sometime next month".
There is nothing wrong with “inserting yourself in the middle of everybody’s business”. That is how you reduce friction between parties and make optimizations that are only possible by being able to manage both sides of the connection. It’s also a really good way to make money.