Would you say that social skills are not important if your intelligent and a good person?

My grandma had no sense of wit at all and no humour or sensibility but she worked as a math professor and her husband only argued with her once during her 30 year marriage. My cousins have tons of money and power but they fight constantly with their husbands and they are charming and witty and feminine and have good taste in clothes.

Would you say that social skills are not important if your intelligent and a good person?
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