Hollywood Bets encouraging students focus in gambling instead of their studies

I’ve discovered it’s an absolute nightmare to try and close your Hollywood bets account. I’m a student and I wrote them a letter requesting closure of my account as I need to concentrate on my final year of study. I’ve also recently utilized monies meant for my studies on betting and I wanted to stop immediately. I asked them to close the account and sent through a letter and Proof of residence and id as requested. To date the account is open and they now want me to call them. This is unfathomable that a person who wants to take responsibility and quit when they have a problem is given such uphill. Kindly close my account with immediate effect before I am forced to lodge a complaint with the ombudsman. My details as follows: Acc no - ***