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it's clear that the intention of the OP is not to warn but to smear the reputation of sportsbet.io (which is not new). the OP nitpicked the information that is favorable to him/her and ignores the other information.
I don't see any scam allegations here I expect an amount, screenshots of the conversation but all I see are copy paste materials and inadequate information we don't have a section on gambling reputation yet to discuss this issue it's better that this be taken on the gambling sections, warning are for those Cryptocurrency that are launching a crowdfunding or ICO but not on an existing gambling site.