Remember in the 1930s when World War I was referred to as "The war to end all wars" and people said "There'll never be another Great War"? Well, guess what, they had to rename it to World War I.
That said, I do agree the likelihood of a nuclear apocalypse is pretty low. That's not why the Doomsday Clock is getting closer to midnight. Like I mentioned in my post -
However, more crucially, the emphasis has shifted from a nuclear holocaust to runaway climate change.