[rickyk95]

Knowing who to pay attenion to in the political sphere is very important nowadays. One of the sad truths in our political reality is the fact that people seem to follow confident leaders, but these are not always the smartest people, in fact, the exact opposite is true. The more confident a person seems in his/her abilities and knowledge, the least likely he/she is to be competent. The Dunning-Kruger Effect has profound implications for our political system and public dialogue. Making the people aware of this is crucial to having constructive conversations.

The following video explains it more in depth:

[jakell]

There's a difference between being naively confident and using the appearance of confidence in order gain that of others, or simply to gain attention

Anyone who can pull off latter one can't really be said to be stupid (although they may be deceptive) because it requires a deeper understanding. The proof of the pudding would be to discover that deeper understanding via prior writings or direct communication, which is trickier if that person is in the public eye such as a prominent politician.