Spare a thought for members of Gen Z who are the latest young’uns to be scolded by their elders for bad table manners… A poll of 2,000 young people in the UK shows 60% of 12-27yos reckon traditional table manners – like having your elbows off the table and holding your knife and fork in a particular way – are kaput. More than a third also admitted they use their phone at the table… That’s prompted the 250yo etiquette coaching company Debrett’s to issue a stern warning to “sit up straight, don’t fidget and don’t put elbows on the table”. Etiquette advisor Liz Wyse says the main aim of polishing up your manners is “not to look greedy, voracious, or over-casual, which might be offensive to hosts”. You’ve been told, kids…