That has become pretty controversial recently, but I think the difference is that in software development, building knowledge is the work. You write software and simultaneously build expertise in your team regarding what the software does that allows you to maintain it and move forward.

Using forklifts has made us overall less healthy and less physically fit than moving things by hand

Will LLMs, "the forklifts of the mind" make us less mentally fit?

Seems like a pretty likely outcome to me