Corruption is thought to be exponentially worse in recent yearswith Zelensky publicly firing corrupt military figures.
There are almost a hundred other countries that rank less corrupt than the Ukrainian government.
The territories in dispute are unlivable minefields for the next few generations as per Vietnam.
America wasted billions already showing no understanding of Ukraine.
At most, 34% Americans can find Ukraine on a map.
https://pro.morningconsult.com/instant-intel/can-americans-find-ukraine-on-a-map
The source you cite lists 103 nations as less corrupt than Ukraine and only 76 measurably more corrupt. Ukraine is far below average.
Taking measures is not equivalent to making gains. Reality is reality, no matter what level of optimism you have.
Why trust your out of date sources instead of recent headlines regarding corruption amidst a reconstruction estimated at almost half a trillion dollars?
https://www.yahoo.com/news/corruption-overshadows-ukraines-multi-billion-064357386.html