Of course Joe was getting a big cut. Hunter had very little cash-making ability unless Joe Biden gave Hunter the green-light to monetize access to himself. There is absolutely no scenario where Joe wasn't involved in this. Plus there was the Biden track record of monetizing his office via brothers James, Frank and sister Valerie...established before Hunter's schemes ever got going.
Yes, the entire family is rotten to the core, and that includes “Dr.” Jill and and the GSD that bites everyone in sight.