It's funny but being I'm a senior assistant now it means I get to deal with even more issues because I get to deal with the customer complaints and issues too. Essentially when a colleague can't resolve something they come get me when the customer is already pissed off. Yeah just what I wanted/needed.

I also used to wait tables and know how that feels. The best thing to do with young children making demands is to respond to them but respond with the line "I will be more than happy to help you, if you speak to me politely. Ask me nicely and you can have." 99% of the time parents won't disagree with you and the child will learn to ask nicely. Gotta remember teaching kids manners isn't just something parents do and if you act rude towards a kid ignoring that kid then they're gonna learn people are rude and it's ok.

Most of my job is spent calming pissed off customers down or explaining why legally you are not entitled to the refund/exchange you are demanding so rudely from my colleagues. Not that the colleague could do it if they wanted to, refunds go through me. If a customer is ever rude to me during a request for a refund I literally say "Calm down, take a breath be polite. Remember you are asking me to give you a refund something I have explained is not company policy in this case. However it is within my discretion to make it happen but if you're rude, if you don't treat me with the respect a fellow human being deserves what are the odds I will make that happen?" Customers often learn to stfu and start being polite with me. I've had one or two customers go "I want to speak with your manager!" when I do that and I say "fine" *goes gets manager, explains customer is rude I advised them to calm down because it is my discretion here what matters to manager on way back* "this is my manager" *manager introduces self looks at the receipt for all of 10 seconds, speaks to customer, speaks to me* "Well I'm afraid, my colleague is entirely right in this, there is only discretion at stake here for you to get a refund/exchange. Therefore my colleague is well within his rights to refuse it if you are rude to him." *customer implodes*