True or false: A person that can't properly articulate themselves coherently or that speak correctly is a sign of low intelligence?

Hispanic-Cool-Guy
A family member once told me a person that can't speak correctly is because he or she is stupid, but a guy on YouTube disagrees with me? How can you be considered intelligent speaking mumbo jumbo where a person doesn't understand a lick what you're saying.
True or false: A person that can't properly articulate themselves coherently or that speak correctly is a sign of low intelligence?
True or false: A person that can't properly articulate themselves coherently or that speak correctly is a sign of low intelligence?
5 Opinion