[_sabe_]

Just because you feel things are easy doesn't mean you're doing it right ;)

http://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect

[ecdavis]

Just because the Dunning-Kruger effect exists doesn't mean that skilled people who can accurately self-assess don't also exist.

[kbenson]

Just because a possible alternate explanation is put forward does not imply that explanation is deemed probable. It can simply be more information to consider.