> the moment I can get a project up on its legs, to where I can interact with some substantial part of its functionality and refine it, I'm off to the races. [...] This is the part where I simply don't understand the objections people have to coding agents.

That's what's valuable to you. For me the zero to one part is the most rewarding and fun part, because that's when the possibilities are near endless, and you get to create something truly original and new. I feel I'd lose a lot of that if I let an AI model prime me into one direction.