Are you suggesting you would inline all that logic if you hand-rolled the method? Probably not, right? You would have a high-level algorithm of easily-understoo

Are you suggesting you would inline all that logic if you hand-rolled the method? Probably not, right? You would have a high-level algorithm of easily-understood parts. Why wouldnt the AI be able to 1) write that high-level algorithm and then 2) subsequently write the individual parts?