They sound like a pair of jackasses.
Do they bother to mention that they want the nanny to take the kids to the museums, play centres and make biscuits with them? Someone who maybe has qualifications in early years development and a first aid certificate? Clean driving license, non smoker, can cook, is drb checked?
Dear god, I call most small children 'sweetie' as I can never remember names. Can you imagine the interview
'we have 2 young persons for you to monitor'
'How old, boys or girls?'
'Not telling you. Their names are Subject A and Subject B. They dress in identical boiler suits'