Yes I also think this casino is one of the best vpn users friendly Although I don't know when or how long it will last . And yes most of the case when some players use free vpn which are not provide the best service then they face some errors. Even then it's quite vpn friendly but it can't speed up internet speed so I also think it will be a good step if build miror link taken .
They don't allow use of VPN if you are playing from a restricted region so we can't say they are VPN friendly casino and you can read it in their T&C in which they clearly mentions about it
https://duelbits.com/tosSo you are using it on the risk and once they find about it you know the consequences of being banned.
This is applicable to all casino if you are talking about using VPN to dodge country restrictions. I guess he is pertaining on the usage of VPN for privacy purposes only because I use VPN when I’m using my personal desktop when playing in casino for privacy purposes only. Some of the casino don’t allow VPN completely regardless whether you are using it for privacy or dodging country restrictions.