They can improve the unhygienic conditions of the seating areas, and clean the toilets more!
The managers can also stop lying about the reasons why they regularly turn off the wifi! They either blatantly lie, and say it's down, or they pretend not to know. Mcdonalds is advertised for food as well as WIFI. They should keep to that!
The staff should stop DISRESPECTING THE CUSTOMERS
McDonald's offers a range of fast food meals and soft drinks to eat in or takeaway.