I’m curious, how do you think Starlink can tell the difference between a Ukrainian and a Russian?
Are you under the impression that Russia is signing up for service transparently? The devices aren’t sold in Russia, and won’t even work within Russia. Meaning they were likely bought through a proxy using aliases, and set up in Ukraine.
At that point, you cant tell the difference. It’s just data, which can also be easily encrypted and proxied to mask the fact that they are being used for military purposes.