So all those people who can't "subcontract" their way through the complexity with specialists are left to their own devices. And they don't have the time or expertise to navigate it themselves. So the tests and checks and processes and discoverability weeds out deserving people constantly just in the hopes of preventing some "undeservings" from having access.
It'd be like writing an algorithm and every branch of logic you put in you have to do a random roll and throw an exception some percentage of the time. Each new branch compounding to filter more and more while also costing more and more to facilitate. But that execution reality is ignored so that the pure logic can be focused on in a vacuum.
It's all like the opposite of Blackstone's ratio regarding crime that "It is better that ten guilty persons escape than that one innocent suffer". Social programs are designed such that they would often rather let ten innocent people suffer than one guilty person benefit.