Roots meadopoint is *** and the staff there is disrespectful

So today I went to buy meat at Roots and I ask can they give me mealie meal as it was in top. They refused I then took it myself. Then I leave the shop after paying , as I'm next to my car the security tells me I can't take out that trolley out I said sorry bt it's raining since I'm at the car can I just offload and take it back he refused threw my food on the floor I asked him why his doing that I'm no dog. I called the manager who took the employees side that I'm wrong I said not disputing that however he could have just gave me another trolley rather than throw my food on the flow I returned to the shop asking they give me my money back . They ended up calling police on me when police came and heard the story they just said I must just leave these people they came in ganging up on me and thought I'd just smile . The police left and they got upset swearing at me