Why has it been suggested that athenian direct democracy was a brilliant failure?

Some people were always criticizing Athenian democracy for various reasons. Here we will see the ancient and modern views about democratic failure:

a) Direct democracy gives all citizens the power to vote but ancient thinkers thought that all citizens could not bear the responsibility comes with the power to rule.

b) Modern thinkers consider it a total failure because the citizens were too inclusive and does not include women, slaves, and foreigners.

deists, human beings can know god only via reason and the observation of nature, but not by revelation or by supernatural manifestations

hope this

it would be that mali has the worst literacy rate than the others