You're right, this is purely speculation. But it's kind of hard to believe that the original owner who put years into this site would just let it die like this.
I'm more inclined to believe he sold it for a profit and retired. But again, all of this is just speculation.
The original owner is most probably a millionaire now and already step down due to unknown reason or due to legal issues related to tax on his business here.
This website is already existing for a long time yet he didn’t improved the casino to the competitive level just like the top casino here in the forum. If he really care that much then he should upgrade the casino the first time Bitcoin price hits 60K ATH.
The Quinn becomes silent ever since Bitcoin rally price after pandemic.