One too many bad experiences at McDonald’s Rosebank

I was going to give this a 1 star rating not two but here’s the issue. McDonald’s Rosebank has always been the worst, the service, wait times, long drive through queues, never having items on the menu, giving me the wrong orders because they did not hear me correctly and one time they even ran out of food and after being told to park and walk to the drive through at night and waiting 30 mins behind others doing the same only to be told they had no food left once reaching the front - however I have never complained but it’s getting worse. Last week there was an app deal for a free McFlurry, it was added that day (22 February) and stated valid until 26 Feb. I was far from home at the hospital for an appointment that day so I planned to go the following day. The following day the deal was on the app in the morning and suddenly a few hours later it was just gone, many people had the same issue and complained on twitter. Had I known it would be gone the next day I would have made a plan to redeem it the same day but anyways I accepted that I missed the deal. Yesterday, 1st March I came across another deal for two chocolate Oreo shakes for the price of 1. It stated valid until the 3rd March but from the McFlurry experience I decided to go the same time. I had an hour before I had to get to work so I drove to McDonald’s, I joined the drive through queue which ended up taking me 30 minutes too, and I got to the front, was told to redeem my code and once the code was provided I was told sorry they have no Oreo shakes as they are out of cream. I had to stay in the drive through queue still as there was no way to get out. I got to the window and asked what I was supposed to do now since my code has been redeemed so I cannot even go to another McDonald’s to get it. She told me oh come back tomorrow - I tried explaining that the deal may not be there tomorrow but she refused to help. I asked to speak to a manager and then was **** to by a regular employee claiming to be the manager who just said oh sorry about that, nothing we can do. At last, Matoma, the actual manager stepped in and assisted me. He explained to me that there was no cream and they cannot sell the shake without it but I should come tomorrow. I explained to him the situation, firstly my time which had been wasted sitting 30 mins in the queue and then the issue of my code being redeemed so now I cannot go to another McDonald’s to redeem it and also that it may no longer be there the next day. He said not to worry, come back tomorrow and ask for him and he will help me with it even if it’s not there anymore. Of course the next day the deal is gone so I went back and asked for Matoma as told the previous day. He was unable to assist me with the deal which I had the issue with and I was quite upset. He said I should wait until the next day to see if it will come back on. Keep in mind that fuel is expensive in this economy and all this up and down is costing me more than the actual deal which is ridiculous. I told him that the same thing happened with the McFlurry deal and that I didn’t even get that. He was kind enough to give me the McFlurry deal which I accepted and I left without what I initially went there for from the previous day. The deal is not going to come back on, I already know that. Thank you Matoma for doing what you could and trying to assist me. Overall, this app nonsense needs to be re evaluated and McDonald’s Rosebank needs to improve too. Stop wasting people’s time, it’s not right.