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I don't think so, Roobet was his home and he or his chat mods always banned other people who offered other casinos. Used to watch his streams on early days later it was a mess and not interesting after a few scandals around his Twitch channel. Surely he has been offered much better deals by other casinos but never accepted according to the Discord channel of Xposed. Maybe it was about time and he has to change places for getting into a bigger audience, who knows...
Do you actually believe there is a so called 'home' for a sponsored fund gambling streamer? No, they could literally jump off the ship to a bigger ship anytime they want. Either way, its not always the 'money' but it could included in the deals with the other site obviously otherwise there is no reason for him to jump off to another site that offer him less ( or treat him less than what he already got from Roobet )