ReadyForDisney2003:
We had the same experience. We really didn't like our head server, he was arrogant and not good with kids at all. My kids are older and have been eating in restaurants since they were born. I was very proud of the because they were extremely well behaved so it wasn't their behavior that caused his attitude.
Among other thingss he brought wrong meals for them, twice forgot one sons meal entirely and chastised them for not eating their vegetables or ordering the same meal every night and not trying new foods. Unfortunately, he also did this to my husband. Luckily, he controlled his temper for my sake but I know my DH was really unhappy. I found the server while he was working at Topsiders for lunch and asked him very, very politely to please lay off my husband and children. We were on vacation and if noone touched a vegetable and lived on chicken fingers that was alright with me. I fight to get them to eat well at home, I wasn't doing it on vacation.
He wasn't pleased with me after that and it was really obvious. We were very lucky to have a really sweet asst. server but with such a horrible head server he was spread too thin and meals never went smoothly.
We still tipped the suggested amount for the head server and over tipped the asst server. It's frustrating to have read here how great other servers are but it didn't ruin our trip and didn't stop us from rebooking. Hopefully, next time it will be better.