Top donors are normally appointed to different post in the administration. So transparency would give insight as to who some of these appointments will be.
Seems pretty easy to find. Where's the lack of transparency? Aren't you the one who said all you have to do is research something on the internet? Well, it took me all of five minute so find these three sources.
Democratic Billionaires and Donors Rush to Back Harris After Biden’s Exit https://www.nytimes.com/2024/07/21/us/politics/democrat-donors-harris-biden.html
Slartibartfast 