Incorrect correlation between "stupid" and "ignorant". Stupid is not having the cognitive ability to formulate a reasonable answer to a question while having the basics of a topic. Ignorance is just not knowing the basics of the topic.
Some of the greatest minds in history couldn't tell you the difference in different types of grass.
Some of the greatest minds in history couldn’t tell you the difference in different types of grass.
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I am not in quite that august company, and thought: There are different types of grass besides long and short?
So Cheech Marin and Tommy Chong are less ignorant than some of the greatest minds in history?
If it grows in my yard, it counts as grass.