Replacing Robots With Slaves

Keeping slaves that could supply bodies suitable to be called “great porns” became a priority, as time traveling criminals archived the “perfect” level of technology long before achieving replicators, or even the chronovisor. By actually employing the slaves to produce drugs, or as information gatherers, time traveling criminals could impress their cronies, and achieve access to their technology.

See:

Man Portable Transporters

Radiation-Proof Artificial Bodies

Top Tap Timed Devices