Wine 🍷 Bought got black particles in it and Shoprite liquor store in Jabulani Mall refused to assist me telling me they not manufacture

Good morning, I bought 1litres cartoon of Robertson winery Dry red wine and upon opening it pour in the glass it had black particles in it. Yesterday I took it to the Store for complaints and I was told they not the manufacturer they can't assist me 😭😭 and I had to throw it away