Do find it important to know little about ever topic?

For instance I hate anything that has to do with foreign affairs functions or soccer but would likely fall asleep quickly if I were to watch long videos about it. I like love novels, ancient history and child psychology mainly; not politics. So what I either watch quick, short videos or just read about the main idea.

This is just to have basic topics in a conversation in case the topic comes up, even if I hate the subject. What do you? Do you find it important to know something about everything?

Do find it important to know little about ever topic?
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