The self is synonymous with experience. It’s why the self is simultaneously a substantial entity and completely without substance. We remember what it felt like to be ten years old and yet every single cell that generated that sensation has long since been replaced by adulthood. People who receive traumatic brain injuries can become strangers to their family and even themselves. The self is a contrivance and an emergent property of a neural network. Ever changing, elusive and yet reassuringly familiar.
It’s a pity we often cannot maintain our machines, not because we don’t want to, the OEM have made them impossible to modify or repair. Anything with software in it is becoming an absolute nightmare.