Bad service at Sea Point McDonalds

Upon entering the restaurant, I enquired about a bathroom and the cleaning lady informed me she would open it once I ordered something as I had to order first. I proceeded to order a breakfast meal and sat with my laptop by a seat with a plug at the top of the restaurant, when my order arrived the filter coffee was still basically black and I asked for more milk to be added at which point I was told I need to pay extra for more milk. I showed the assistant at the till how black the coffee was and he said it is how it is made and I would need to pay extra for more milk. The coffee cup wasn't even full. This is my first time back in Sea Point in 12 years and the service is shocking compared to what i'm used to for the area. I tested the free McDonalds wifi and the speed is non-existent I could even open a google search page.