That may be so, but it wasn’t the question the OP asked, which was about whether NATO was doing to Russian airspace what Russia has so often done to NATO airspa

That may be so, but it wasn’t the question the OP asked, which was about whether NATO was doing to Russian airspace what Russia has so often done to NATO airspace. In your response you wrongly asserted that was the case and you did so by confusing ADIZs with airspace. It’s not a terrible failing to be mistaken, but refusing to acknowledge an error is the wrong approach.