I have no clue about this, but to me it seems they just took the existing human workflow and built a robot to replicate it. Is there no more clean slate way of

I have no clue about this, but to me it seems they just took the existing human workflow and built a robot to replicate it. Is there no more clean slate way of doing this (maybe with a lot of pipes like in a refinery?). How does one even keep one of those monsters clean?