You're shifting. Nothing was said here about job security. As stated, this is someone who feels awful because intelligence is now a thing that's available to machines. A similar - albeit lighter - tone to this[0], where in the article the author describes being in some "spiritual crisis", and that "The creation (or even the pursuit) of novel mathematics is one way that humans have historically accessed the ineffable and encountered the divine and mystical". Have a look at some of the comments, if you never saw it before.
[0] https://news.ycombinator.com/item?id=49048681