There's one view of life where everything is only about ultimate timeless contextless values. That seems your perspective here. '...so by the transitive property it's only about fucking.' At some point in my life I learned that I no longer subscribe to that point of view. The way I read that story is that within the context of flying bombing raids he felt he had no right to live. Which to me as a reader shows that he empathises with the people he bombed. It's not an eternal truth about man killing man happening but it's something he did to another human being. When he meets the girl in the rain he's in another context in another moment between people. And he feels worthwhile for a moment again. She leaves him in the story so the fucking end goal is taken of the table. It was just an isolated moment that's meaningful in itself. And he feels differently. If we want to give the transition of feeling a name we might say he feels redeemed. Just like the meeting in the rain was isolated and without end result similarly the posting on craigslist is without end result and follow up but it's still meaningful after 40+ yrs. Which goes to underscore that our emotions in life are often without end result and followed by totally different emotions and attendant value systems. But we have to experience them as meaningful anyway. Because the alternative is nihilism and depression.

Just an impression of what goes through me at this point in my life when I read that story. I recognise your take on it as well. It's just that I learned that looking at life like that did not make me happy in the end. And that the feeling of intellectual victory was without substance.