1. The ability to inflate your wealth away
2. The ability to censor your transactions
3. The ability to seize your funds
4. The ability to reverse your transactions
5. The ability to garnish your wages
6. Centralized control (This covers many things)
7. Ability to fund US foreign adventures (War) through money printing
8. Ability for a single state with control over the reserve currency to bully the world into submission

I can't think of anything else that isn't covered by these 9 points. Would love to hear others I missed. Some of these may even be redundant.