I don’t think you understand how economics works. The U.S. profits a lot more from peaceful trade with Germany than it does war with Russia.

3.5% of total U.S. global exports of $2.1 trillion were exported to Germany

https://www.bis.doc.gov/index.php/documents/technology-evaluation/ote-data-portal/country-analysis/3407-2022-statistical-analysis-of-us-trade-with-germany/file

Why you think the U.S. would want to lose such a huge amount of money over a war, I don’t know. But the war would in no way make up for it. You don’t make up for a loss that large with a nuclear war. What a bizarre idea.