I will empathize with you there. I totally want to understand everything too. I LOVE being elbow deep in code for hours on end, especially late nights, so, much, FUN!!!
It is just now, I don't have to do that to actually build something meaningful, my ability to build is increased by some factor, and it is only increasing.
And coding LLM's have become a great teacher for me, and I learn much faster, for when I do want to dig deeper into the code, I can ask very nuanced questions about what certain code is doing, or how it works and it does a fairly good job of explaining it. Similar to how a real person would if I were in meat space at an office. Which I don't get that opportunity anymore in this remote life.
If you were sincere in your attempt to "empathize with [them] there", your prose screams the opposite. I point this out, as anecdotally, it was quite distracting from the rest of your point and makes me think you are not doing much to meet the other perspective.
Now to directly push on your perspective, I'm not so sure why you make the conclusion that you don't have opportunity for feedback given you've moved to a remote office culture. I am giving you a form of feedback in this instance. Yes it is at my whim and not guaranteed if our interests don't align, however this is a cost of collaboration. It is a bit grim to see the ushering of "coding LLM" as proper replacement here, when you are doing no-more than bootstrapping introspection. This isn't to detract from the value you've found in the tool, I only question why you've written off the collaboration element of unique human experiences interlocking on common ground.