Back in 2018, shortly after QuinnBet was established, the industrialist Sean Quinn Sr was upbeat about its prospects: “While we have done very little traditional advertising, trading has been very strong, not just here in Ireland but also in Britain, which is hugely encouraging,” Quinn Sr said. Quinn Sr is not among the owners of the company, nor is he part of the management team. However, his name carries weight for the business. In fact, the company is part-owned by Brenda Quinn, the youngest daughter of Quinn, while the remaining shares are held in trust for his grandchildren. QuinnBet provides…