I contend that That Guys either exist without the need for such DMs or such DMs had already minted them at a cultural/playerbase level and spread from there.
It could go either way. Some of the earliest DMs were douchebags like Gary Gygax who did see the game as some slaughterfest designed to kill player characters for his own amusement, and encouraged cruelty and metagaming to overcome his whims, such as (CW: slavery, murder)
spoiler
the party enslaving “born evil” goblinoid tribes and forcing them to run the Tomb of Horrors gauntlet to die in every possible way to clear a path to the end.
I contend that That Guys either exist without the need for such DMs or such DMs had already minted them at a cultural/playerbase level and spread from there.
It could go either way. Some of the earliest DMs were douchebags like Gary Gygax who did see the game as some slaughterfest designed to kill player characters for his own amusement, and encouraged cruelty and metagaming to overcome his whims, such as (CW: slavery, murder)
spoiler
the party enslaving “born evil” goblinoid tribes and forcing them to run the Tomb of Horrors gauntlet to die in every possible way to clear a path to the end.