Some will suffer from imposter syndrome more than others. Know-it-alls will never suffer from it and are perpetually at the peak of Mt. Stupid; constantly playing the fake-it-till-you-make it game with whatever the current topic of discussion may be.

Oh I have come across my fair share of these people over the years!

The Dunning Kruger Effect was not something I heard of before, but it makes a lot of sense, the slope of enlightenment can be long and challenging, but the reward at the end in being a true expert is brilliant I imagine. I have lots of interests and areas that I know about, but I am nowhere near the end of the Dunning Kruger Effect cycle for any of them yet, some day..