Earlier quoted context omitted.
Not at all. Most of the pyramids, and many many other burials were ransacked by graverobbers and scavengers in antiquity - in a lot of cases, even while there were still pharaohs. It's assumed that a lot of them were robbed immediately , by the same workers who built them - in fact, even as early as the Middle Kingdom, there was a thriving trade in robbed grave goods for the explicit purpose of reuse in another buria…
> by the same workers who built them who were, by and large, slaves ... > Essentially, humans have always been garbage. I don't really consider them too garbage-y for trying to give even a little F.U. to their masters.
So there is still compulsion here, and the workers would often have had similar emotions and incentives as slaves. The fact that the workers had more freedom probably gave them more ability to act on that than if they had been proper slaves.