Horrible Disgusting Service

I honestly got very ticked off this morning. It’s a June and children are writting mid-year exams. My daughter decides she would like Egg Mc****in for breakfast. We get to McD at 07:07 in the morning. Around 7:20 we are still there. When I go enquire, only to be told the drive through pc or system is jamming. Apparently it happens quite often from the feedback of some customers also agitated. So the Manager is clearly aware but not bothered? The supervisor on duty cannot think on their feet to find plan B and come outside and attend to panicky and agitated customers? This is very undermining and ***********. Do not let customers come up with solutions in your store because that simply means you can’t run your own business. You can’t think. Situations do not have to escalate before you jump. Also why not just put cones and close until you have sorted out your problems because to let customers come in and nobody says anything up until customers get fed up and start asking is very unprofessional. Utterly disgusting service! Two weeks back, there was a big plastic or silicone piece in my Mc****in and I was told sorry, it’s came off from the brush we use.