In short, he's an oligarch. Over here we don't react kindly to that level of political corruption.
A middle-class lifestyle when one doesn't have to spend on the military might fool you into thinking that Europe is egalitarian (everybody looks healthy), and looking egalitarian can look like a lack of corruption if your glasses are dirty. Meanwhile, there are families that have been controlling that continent for hundreds of years.
The funny thing about the European rearmament bluff is that any weapons bought by Europe are eventually going to be aimed at other Europeans. It isn't that Europe needs to defend itself from the outside, it's that Europeans need to be protected from each other.
So, interestingly, this is something that Americans tend to believe, and that Europeans tend to believe, but it is empirically not true.
Americans in the bottom income quintile are less likely to make it to the top quintile than people in the major European economies, but they are more likely to _believe_ that they can: https://www.economist.com/graphic-detail/2018/02/14/american...