Nandos glen Marie manager is just phathic

Ate at nandos just now bill worth 900 ordered the boujee bowl and they rice on both meals was extremely hard we called for the manager at glen marais he took so long to come to the table eventually when he did he said he was going to check with kitchen and he never came back we eventually left and didn't eat the meal left it on the table for him to eat. How can U call yourself a manager but cannot handle a situation phathic