If the U.S. can have a Monroe Doctrine; then surely Russia can have a Putin Doctrine.
A few bureaucrats with zero military power opening their mouths doesn't give a country the right to invade a neighbor who didn't even make that statement. Not to mention that those statements weren't made until after Russia proved itself to be a military aggressor by invading that neighbor.
And the Monroe doctrine has been dead for a very long time.
Ukraine ping
[If the U.S. can have a Monroe Doctrine; then surely Russia can have a Putin Doctrine.]
But much of this skirts the central issue. The Monroe Doctrine was not some statement of universal principle. It was an assertion of national interest, the elevation of American interest over anyone else’s. Even if the Monroe Doctrine weren’t dead, why would we recognize anyone else’s claim to a similar sphere? We certainly did not recognize Germany or Japan’s respective Monroe Doctrines (aka WW2), which individually covered areas smaller than Russia today.