The point stands that one can probably reduce the necessity for many daily actions when attention and willpower is unlimited. Even if you get an idea in the sho

The point stands that one can probably reduce the necessity for many daily actions when attention and willpower is unlimited. Even if you get an idea in the shower, you're still "wasting" time not being able to write a paper on it immediately, instead having to take time to dry and clothe yourself first. Whether this provides a few percentage points or an order of magnitude advantage is a different question.