Pick n Pay 1 day special joke

Last Friday Pick n Pay had a huge one day special. I still needed a few things for month end shopping I decided to go to the Pick and Pay in Woodmead. The biggest one in the area I was in. I got to the store after at 2pm. I was looking for the milk special. 2 packs of Dew fresh 1l for R124. I went to the milk Isle saw the pick n pay brand with the same price. I looked for Full cream couldn't find a box. When I asked a man whom I didn't know was a manager at the time. He stated they ordered the day before and all was sold out. So I asked about the brand that was actually on special and he said theres nothing. There was Dew fresh at the front of the store with no full cream either. So when I was done I went to the help desk to ask for a rain check as I couldn't fathom how a they can run a special with no stock. they refused to give me a rain check. Instead they called the manager to give me a lecture on marketing and its not his fault that there wasn't enough stock. But they didnt even have stock to start with