The best gambling site is those who is a trusted site, Bitdice has no issue in terms of trust that is why people are loyal to play this site. Moreover, they were able to provide what people would want to see, they have a lot of promotions and that attracts us to gamble more.
Yep, Trust plays a very important role in any site. If you cannot trust the site, why would you play there? There is plenty of trust in BitDice so never any worries there.