It has no claim, who gives a fuck how many Russians live there. By that logic Luxembourg should be Portuguese.

That’s wrong, first of all it’s the central bank that controls money supply, which is independent from the government. In addition, even if the government could magically create all the money it needs to pay its debt, without borrowing more, it would completely devalue the dollar.

I recommend void. It’s rock solid, “stable rolling release”, no systemd, amazing package manager. The installation is a bit more “advanced”, but I guess coming from Arch that should not be a problem for you.