This is such a misleading title. The post isn't about software engineering not being a lifetime career, it's about this:

> If AI does turn out to make you dumber, why can’t we just keep writing code by hand? You can! You just might not be able to earn a salary doing so, for the same reason that there aren’t many jobs out there for carpenters who refuse to use power tools.

The argument the piece makes is that being a software engineer who insists on writing code by hand may no longer be a lifetime career.

I think the definition of "software engineer" is changing, and it's not even changing that much. We construct software to help solve human problems. We can keep on doing that, just now we get to do it more.