I have no problems with the action, and I have no problems with his attitude.
The effort to isolate Russia is an acceptable result of the Russian violent invasion. Russian citizens are not to blame for their nation’s behaviour, but they do share responsibility.
Removing contributes from the maintainers list is not an extreme action, but it is important as a statement.
As for not feeling the need to defend the Russian citizens, it is nearly righteous for people from nation’s that have been bullied by their neighbours.
Or you know, you could not focus on race, and just insult Americans as a group … oh wait, is that your insult?