now, two years later, after all Putin said to the contrary and Russia's conduct, you still belive that? If Putin was concerned about a NATO threat, why would he bother with abducting children or ethnic cleansing? In Kursk one can observe how concerned he is about Russia's safety.
Please consider it from this perspective: So maybe Putin is concerned about NATO and the European Union as they both protect Nations from Russian dominance. Remember, in Nov 2019 NATO was so toothless French president Macron called the alliance "brain dead".