Proposals had been made to change Russia's nuclear doctrine to allow for attacking any non-nuclear state that had the participation or support of a nuclear state, Putin said.
I know what they're saying, but you seem to have misunderstood what I said. To my knowledge this is the first change in Russia's nuclear doctrine, so there's no "again" here. This is a significant change in nuclear use policy, and it would be sheer idiocy to dismiss it lightly.