Smart people will tell you to find an Expert; dumb people will always have an answer.
@RickiTarr was it Bertrand Russell who said that the fool is certain and the intelligent are full of doubts?
The Dunning-Kruger effect, illustrated. – jardenberg.

Dunning-Kruger Isn't Real

What's the problem with the psychology effect the internet loves? And what does it mean for science reform?

Psychology Today