Why do uneducated people like to show off and sing the opposite?

People with a low level of education are naturally not good at learning. Why they don't study well is that people with low IQ are lazy. So this group of people can't tell the essence and dross of traditional culture in essence.

People with low education level have low vision because their education level leads to low vision and can't see through the essence of things.

People with low education level have low ideological level and their cognitive level is in a state of fog. Therefore, it is easy to get excited or excited, and it is easy to overestimate one's ability. There is always a feeling that I read widely, know everything and know everything.