What Russian aggression? NATO was founded to counter the Communist USSR not 'muh Russian aggression' you might want to pick up a history book or do a quick Google search to find that out. The USSR didn't move an inch west after 1945 and when it collapsed and became a democracy NATO continued to persist.
NATO expanded east and invaded a dozen countries in the process including eastern Europe
Did you forget about the massacres of civilians committed by NATO troops in Libya, Afghanistan, Iraq or Serbia?
Name one instance of Russian aggression (Not Ukraine) where it justified NATO's existence.