Never thought I was gonna learn this from a Japanese manga, but why did people consider Jehovah a good people/god when he destroyed two cities (Sodom and Gomorrah)?

I won't believe in a god who destroys a city because the people there like a thing the god doesn't like.

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Disclaimer: I came from Asia, so I have no knowledge of western religions. Maybe the story is trying to say something like you shouldn't be addicted to the pleasure from homosexual (like doing nothing but having sex all day)? I don't know. Google tells me the god pouring sulfur to the city mainly because the people are homosexual. If that's wrong, blame Google.