Bitch Their Reals Retarded
Originally "kidnap them and erase their brain," this strategy evolved into a generalized degradation scheme, designed to cast doubt on knowledge deemed dangerous to time traveling criminals, and allow them to covertly store knowledge on their enemies.
"Dead Times," such as societies where monstrous creatures eat humanoids have been also configured as a way to "Bitch Their Reals Retarded," or in other words, display the ability to kidnap and kill an individual at will, thus displaying that their technology is essentially inferior.
Anyone deemed retarded is essentially already dead, only kept alive to advertise their identity and retardedness, in order to propogate their other selves' destruction.
Baftis can be described as a way to "Bitch Their Reals Retarded."
Time traveling criminals delete knowledge on their "retardeds," so that evidence of time travel is more effectively erased, enemies are defined and collected, and scapegoats are more effectively identified. Oftentimes, long "screws" of complicated time travel (which created billions of similar universes, often populated by monsters, or intelligent beings hostile to humanoids) have been used in this fashion to divide areas of space-time from others, in a way that made investigation, and travel, much more difficult, if not impossible. Times such as these became well known, as the need to share information covertly on those who were waylaid in or sent to these times to die, in order to more fully accomplish their defeat, became paramount.
Since all time traveling criminals eventually killed enough instances of each other to ensure they would always be mortal enemies without question, these complicated "screws" that demarcated various areas of space-time, were effectively used as sorts of fences, to keep all those without the requisite knowledge and codes from passing.
Time traveling criminal clans eventually all began to bitch each others' reals retarded.