thinking centralized services are more secure is a missconception, in my opinion, take the FTX case as an example
nobody tought it would fail, it was big, in the billions, with huge partnerships, backed by celebrities, with a stadium with the name of the exchange, and out of nowhere: gone. puf. zero. zilch. nada...
the safest option is probably having your own keys and having a good system to avoid 5-dollar wrench attacks
apart from that you'll always carry some third part risk be it from centralized entities be it from smart contracts (descentralized)
Centralized services is really risky but we have no choice in terms of casino since most of preferred game provider and games like live casino is not decentralized. It’s impossible for some games to convert to decentralized manner which is the limitation of decentralized casino that makes them less popular even though they are more safer than centralized casino.
Trust issue is a big deal too on casino industry compared to exchange since many casino owners turn into scam especially if they don’t have legal obligation or reputation to protect so for casino, I preferred centralized services over decentralized since they are proven working for a long time without any issue for me.