The Alliance can bring the sledgehammer of their entire fleet down on any target they wish without committee due to the power of their Council of Admirals. Broad discretionary powers to the Sky Marshal.
I believe it's not power that corrupts but that power is magnetic to the corruptible. Still, that's a lot of power for one person to wield unilaterally. I would imagine nepotism, favoritism and discrimination are every bit as bad in the Alliance, not to mention the lack of transparency.
I don't imagine they're the kings of job-building, HDI boosting or public safety. I don't think infrastructure for the common people is high on their list of priorities. I doubt their gov't even touches corporate regulation. High taxes to pay for infrastructure for the politically important or to solidify their far-reaching sovereignty with little to nothing left for the little guy. In the Alliance, if you slip below the HDI threshold of 85, you lose momentum and become destitute, left to survive on your own, scrounging and begging. Private healthcare. No public education. Tolled roads. Shanty towns as far as the eyes can see outside the gates of the wealthy Arcologies. Full municipal autonomy. Cops stomping minorities.
The double edged sword of the Alliance. The wealthy elite run things and the rest are left to the anarchy they thought they wanted until it was combined with poverty. It's just another oligarchy. Like the Federation but with a stark class distinction generally around the 75-85 HDI range where the rich are normal instead of rich and the poor are like illiterate, diseased underhivers with no hope of climbing a ladder if there was one.
The Alliance exists as all the worst parts of the Federation and the Empire. It has the Federation's neglect and militance and the Empire's debauchery and pride.
Terrible place to live, unless you're rich.