Don't know why your're downvoted, this is valid criticism. EU just bought 500 mil worth of hardware from the US, no specific European innovation, apart from system management (ParTec Italy). But would be happy to be proven otherwise.
Sure, the HQ of the core component(Nvidia) is incorporated in US but that too is a multinational effort.
[1] https://top500.org/resources/frequently-asked-questions/
Edit: that might be speculative or a future addition cause they taped out less than 2 months ago https://www.eetimes.eu/sipearl-tapes-out-rhea1-processor-clo...
Which was delayed 2 years. I’m speculating this was supposed to be mostly or exclusively this but they needed a computer now. Or needed to spend the budget now.
Since when are supercomputers anything other than just the ability to afford a lot of hardware?