was powerful, strong, and capable. But its emperors recognized they needed to modernize or they'd get overtaken by Prussia, England, etc. So Maria Thersea and then her son Joseph tried to enact changes. It should of happend right? they were the Emperor! well, it didn't. Why? Because the bureaucracy chose to fight it and push it off and slow walk it.

In business, if you truly want to change a poor performing organization, it usually isn't done by retraining, re incentivizing, etc the existing work force. No, its done by firing a major portion of them, and particularly the management and bringing people who will do what you need done.

So, can Trump legally do this? Can he really disband bureaus? fire people? etc/ Only if Congress approves it, right?

For him to be successful, the org needs to actually be gone before he leaves office, and or his successor needs to continue the process.