The issue is not what the general idea is or what common sense is. If Putin perceives it as a threat, then he will act to it as a threat.
Does not matter if I think "Putin you have watched too many horror movies, I am definitely not a threat to you", all what matters is how Putin perceives it, because he will use his own feelings to determine to nuke the West or not, hence the importance to take the feelings from others always serious and not belittle their feelings.
Children sometimes have, in our eyes, absurd fears, but still a good parent takes it serious. Some grown ups still have childish fears, and still these fears can go nuclear