In this age of extremely interdependent economy, blocking economic access is a type of war. By being part of it, we are definitely causing deaths of some poor people in Russia.
The west understands it and is getting away with it because they've deliberately not updated the definitions.
Putin doesn't mind because the poor don't keep him in power. Freeze the Russian billionaires assets outside Russia if it's really important, that'll work.
We don't need a plug-in for that.