Per capita isn't really important in this case. Overall output is. The planet doesn't care if it's getting less per capita from one place or another.
I don't see any value in that approach except for finger pointing and doomer posting.
Then, the other thing is that your graph is just CO2.
No, it is CO2eq.
You wouldn't even have to die on that hill anymore because you can buy the uncensored wolfensteins in Germany today.