Great sentiment about reserving intellectual heavy lifting to your personal life. I've always valued keeping enough in the tank for myself (and now my family) outside of work.
It seems in our profession there might be less satisfaction from work, but if it leaves me with more space to accomplish things in my own time, I think I prefer it.
If you do intellectual things only in your free time, well, working people don't have much free time. One of the perks of software development (and other LLM-impacted professions) for nerdy types is that it allowed them to do intellectual things all day, and even get paid for it. Now all those hours at work are no longer fulfilling.