Why many users on trollbox are saying dbic scam

Some Newbes Arabic from morocco like the "Bougossa" not have what To eat just trying make panic
He have 50$ and telling lose 3BTC hahaha that is shame i have proove,
he call me before 15 days like stupid asking me to refund her 50$ and crying in PM Yobit
because he selling ther DBIC with low price, when i ask him why you do that, he tell me
the russian in troll tell me sell sell and i selling hahahaha so now, trying to make panic telling im scammer
If he Go and serch same work to help her family better for him im arabic and i know who this exmple bougossa live