I actually think it's both. She would spend that amount of time anyway, because "it's what she does". It would be possible to achieve 90% of her results with

I actually think it's both. She would spend that amount of time anyway, because "it's what she does". It would be possible to achieve 90% of her results with maybe 70% of the time and effort that she puts in. But even at 70% it still would run into non-trivial "enforced overtime".