Say your employer makes 20k a week of the produce of your work. This means you having a single, unpaid week off will directly cost your employer 20k. Even if yo

Say your employer makes 20k a week of the produce of your work. This means you having a single, unpaid week off will directly cost your employer 20k. Even if you would willingly take a (from your perspective) pretty hefty pay cut of 4k for that week off, the employer would still be down 16k compared to before. This is the weird and intuitively wrong stuff that happens, when employers make more through their employees work than their employees do, even after factoring in their salary.