They seems missed this exchange or never used this before.
While i looking for this site on CMC,
https://coinmarketcap.com/exchanges/coinsbit/ i found this exchange placed at 48th from biggest volume trade exchanges, that's mean this exchange site also popular among others
I agree with you, i trust more experienced people in this field, since i myself am not yet experienced and just trying to figure it out, but the exchange looks serious, and according to statistics, i really believe that