A beautifully written piece.
And to some degree I echo the sentiment as well. While I was never in search of the divine programming language, I too felt that as Objective-C was being sunset and Swift was in ascendency, perhaps it was my time to also step out of my career — sunset myself so to speak.
Swift was something of a hard sell for me. It seem(s/ed) to borrow everything from every popular language allowing two different code bases to look as though they might have been written in two different languages (depending on the preferences/style of the two coders).
To be sure, a lot of the young engineers seem to have been drawn into the Apple ecosystem not because, like me, they grew up worshiping the user-interface brilliance of the Mac but because they are fans of the Swift language.
And like the author of the piece, I say, "Knock yourselves out, kids. Sayonara."
C++ fits that description much more solidly than Swift IMHO. Every large C++ program is a dialect unto itself.