The steps are small at the front and huge on the bottom, and carries a lot of opinions on the last 2 steps (but specifically on step 7)

That's a smell for where the author and maybe even the industry is.

Agents don't have any purpose or drive like human do, they are probabilistic machines, so eventually they are limited by the amount of finite information they carry. Maybe that's what's blocking level 8, or blocking it from working like a large human organization.