the breadth and width of the universe of oneshot challenges are all arbitrary. It's unsurprising different workflows oneshot better than others.

All the more reason to favor local models under your control, as once you find that sweet spot model, no one can change it, upgrade it, align it, take it down or otherwise harm the time investment you made it making it your own.

I can't really believe no one understands, after decades, how valueable a rock solid development environment is.