Woolworths customer service is pathetic.

I have been receiving emails and SMSes from Woolworths and requested that all my data be removed from their databases and any database to which they have shared it with. I have sent many emails specifying my details, and I keep on receiving the same questions to verify my story or provide details. Worst is that I do not have an account with Woolworths. I had one years ago which I closed after Woolworths gave me a bad credit for a payment that took too long to be identified on their side. It was their fault, I had proof of the payment I did right on the due date, and it was lying on my credit score for years. I also couldn't get that resolved with them. That is past now, but I am starting to receive emails and messages, which clearly indicates that they have not removed me from their database. I will not simply unsubscribe, I want my details to be removed completely. It seems as if their customer service is not keeping track of my query as I, over and over, need to provide the same story and details. I also understand that their response time is slower than usual now during the lockdown period, which is fine, but it has been nearly a month since my first request an they are still on trying to figure out what my personal details are. I really don't know how difficult it can be to keep track of customer requests. This is a horrible reflection on Woolworths and the people they employ to resolve queries. I've really never had to deal with a company who struggle so much to execute a simple SQL query in their database/s. Pathetic.