Mc donalds delivery call center a joke

For the 3rd time mc donalds delivery has messed up my order. For some reason after me specifying this more than once on the phone call that I want cheese added to my burger, I receive my order with no cheese. happens once, mistake, I under stand. happens twice, maybe just a coincidence. Happens for the 3rd F**k*n time, ****es me off. Can people not follow instructions anymore or is it that people just don't care about what the customer wants????