Couldn't agree more. I actually wrote a reply along these lines then decided I should get some work done and dropped it.

>"Cannot help but switch to previous single-celled metabolism"

This line itself should immediately give anyone with a molecular bio line a pause. Molecules, cells and other small chemical phenomena are not humans. They do not act with intent.

Personifying these machines and systems may be helpful to make a system relatable, but it is a toy model, not an explanatory one.