Do you know that most traders and forum users here lies about their dealing in bitcoins. Some exaggerate to their family and friends the unrealistic profit they claim they are making online through bitcoins and these same liers don't tell their losses. Have you ever lied or bragg to your friends about bitcoins.
I think it's a looped circle. If most traders in your opinion are lying about their income and losses, how can they tell you, are they really liars. Do you understand what I mean? Most likely you are right, but we will not know the real state of affairs.