The intention of offering the charts was simply to demonstrate, in a quick analysis, how lop-sided this conflict is and to highlight the plight that Ukraine are facing.
Wars are abhorrent.
I had not seen your sentiment before "but I still hark back to the unwinnable position of the the worlds largest country defended very sparsely....annexing a country that doesn't want to be annexed seems is a poor strategy" and have no answer other than does one really ever know what drives one human being to destroy others.