Yikes! Anywho, I get the mentality of the original poster. These kids are a challenge that needs to be met! A summit that needs to be climbed! When adversity stands in the way of good manners, taking 'no' for an answer is not acceptable!
In a month you could put christmas lights on the bike? That would probably get a response. I've been thinking of doing it myself actually...a string or 2 of LED lights would actually be really handy for being seen in the dark!