That's a harsh truth their intentions are just to grab all money user deposited thats why they dont facilitate instant withdrawals. There are many parameters like this we can differentiate among legit and scammed ones. Some lure us to play more and more and ultimately we end up getting all lost, we all know playing more and more continuously results loss at end.
So answer is NO always who delay our withdrawals. As personally i am playing games at vegasand their instant deposit and withdrawal facility really caught my attention. They offers variety of games like slots, poker etc and all are so tempting to play at their good UI/UX and fast responsive site and trust they are keeping with users is so great that i haven't found negative review about it.