If I recall correctly, it allows the President to fire tens of thousands of beaurocrats and replace them. It's the Swamp drainer.

Edit: Here is the link.

Separating (a nice way of saying Firing, my emphasis) employees who cannot or will not meet required performance standards is important, and it is particularly important with regard to employees in confidential, policy-determining, policy-making, or policy-advocating positions. High performance by such employees can meaningfully enhance agency operations, while poor performance can significantly hinder them. Senior agency officials report that poor performance by career employees in policy-relevant positions has resulted in long delays and substandard-quality work for important agency projects, such as drafting and issuing regulations.

Kash Patel did a great job explaining it on a Charlie Kirk podcast about a week ago.