If God is real, why doesn't He punish my great-uncle for being a bad person?

Anonymous

My great-uncle-in-law (the husband of my grandma's younger sister) was and still is a bad father to his two sons (now in their 30s). He didn't care for them, would go out drinking every night, and expected his wife (my great-aunt) to have food on the table when he gets home at 2 in the morning. Instead of working, he expected his wife's family to send him money while he drank or slept all day long. Now, he's 63, in good health, hasn't worked since he was 28, and his two sons (the ones he neglected) give him money to travel. A man who doesn't want to provide for his family and now he's lucky enough to do nothing but travel, have fun, and sleep. Doesn't have to pay bills, work, or anything.

If God is real, why doesn't He punish my great-uncle for being a bad person?
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