Casinos with many users will always have lots of accusations against them.
Some of them might be serious problems, others may just be scammers or other people trying to attack their reputation..
It will be a natural thing because indeed when a business trip then there are definitely obstacles and for casinos maybe in this case there are some complaints or accusations that become a process especially for a large enough casino.
Indeed, in the end there are several reasons where there are indeed miss communication, program errors or even baseless accusations but in my opinion it is something that ultimately refers to a healthy business because of course things like this can be an improvement in the future and professional services for problem solving.
Now when there are cases of complaints or even accusations, it depends on the casino to resolve them because everything can be resolved in the end. This also applies if in the end the allegations are unfounded or even tend to deceive this will be very easy to resolve for casinos that really operate properly.