How Does Plato Criticize Democracy

I found Professor Samons to be a really engaging lecturer and I really enjoyed listening to what he had to say about Plato’s critique on democracy. Professor Samons begins his lecture by asking the question: why do Americans love and aggrandize democracy so much, but Plato criticizes it? This was the same question I had throughout Book Eight. It seems that our entire goal as a country is to spread democracy to the rest of the world and to find ways to make ourselves more democratic than we already are. But, why spread something that is apparently so corrupt, according to Plato?
Plato bases his argument on Athens and what his own personal experience with democracy. Professor Samons makes an interesting point when he says that after watching