Bad service n how they measure their ice cream

I bought an ice cream ? at Macdonald’s Silverton at 18:04 the one for 15:50c I only got half of the cup n I asked why Izt not full the lady who was wearing headphones responded with an attitude to say that how they meaasure I’m very angry ? the service was unacceptable I mean all the time when I buy ice cream from the grove is the best I’m very disappointed.yhe Service is poor n the cashier didn’t even great I will never buy from Macdonalds In Silverton Pretoria