To get a license probably you need to spend from$10K to 100K or even more depends on the license you are buying so its nothing but anyone can get if they are willing to pay the fee for license. Meanwhile to get reputation it may take a while even few months can be enough in this fast moving world, only thing a casino should do is to satisfy the players and give whatever they won with not much of complications.
It is indeed quite easy to get a Curacao license. Every casino wants to satisfy players but they also need to be carefull. Scammers have and will always exist so they will launch some scam accusations. If you just pay them to get rid of the hassle, you can quickly go bankrupt.