to be honest i think people should know better when it comes to things like this then again...just the other day i met a muslim who knew japji sahib!!!!
As long as you stay strong to your faith issues like this shouldnt even matter and nor do they make a difference anymore, let the little kids get their kicks im sure everyone else has better things to do with their time
can everyone who keep their kesh be regarded as sikh though? some people may look the part but you never really know whats going on behind closed doors, if anything work on the inside first then the rest will all follow