Doom and Kaecilius were hardly good people in the traditional sense.
One was the tyrant of Latveria, whose personal hobby was slaughtering British and American reporters who talked out of turn. Within his own country, he practiced absolute iron-fisted rule, and those who dared oppose him often vanished without even leaving behind a corpse.
The other researched the Zombie Virus, mooched off Set's power year-round, and applied both the Devouring Method and genetic biotechnology to zombies. A large number of living people were used as materials for his experiments.
It was only because the proper Superheroes did not know the details of their deeds. Otherwise, not only the two of them, but even Su Ming, who had ordered or hinted at such actions, would have been labeled a Super Villain or terrorist.
But Deathstroke did not care whether the methods were honorable or whether anyone got hurt along the way. He only cared about the outcome—whether he, his relatives, and his friends could survive, whether they could live well, and whether humanity could endure. Those were the things that mattered to him.
Naturally, that was not the bright and righteous mindset of a Superhero. That was why Su Ming always said he was just an ordinary person.
In any case, this incident probably had not affected Doom, and that was enough.
Gin at the TVA, along with friends like Howard, were surely fine. Logically speaking, that place was the starting point of the multiversal Timeline, far earlier than the present, when the "good turning evil" incident had occurred.
So even if Chthon destroyed Earth, Deathstroke would not panic. He still had Little Franklin, as well as several backup worlds.
Diana was mainly worried because she was not familiar enough with the Marvel Universe. But in truth, she had overlooked something