> The .com TLD is American, and is therefore subject to American legal proceedings.

Ample precedent and prior case law exists that the US Federal government can obtain court orders to seize .COM domains. Going back 15 years now.

State government that's another question entirely. When people say "American legal proceedings", the distinction between state courts and federal courts have two very different regions of responsibility and authority.

https://www.law.cornell.edu/wex/full_faith_and_credit