Crossing Guard Observation

Is it just me, or are Clinton Hill/Ft Greene crossing guards rather unfriendly? I pass by them every day and I automatically look at them to make eye contact and smile, yet they routinely scowl and look away. It wouldn't bother me so much if I hadn't befriended my local crossing guard in Sunset Park circa 2001. By the time I left the neighborhood, after just a year, I knew her name, about her family, etc. It was just part of my routine to say hi and chat with the crossing guard on my way to the R train.

Maybe that experience wasn't the norm, but jeez! Would it kill our crossing guards to get into the spirit of the Hill?