In total contrast, I once worked for a staid, rural insurance company where the majority of employees were middle-aged with children. "Flexible" hours meant that one could arrive at work anytime between 6AM and 9AM. Clearly, the flexibility was extended to those who wanted to arrive early so that they could be home by the time their children were getting off the school bus. Twenty-somethings who wanted to venture into the city to see a show (easily an hour drive) still ostensibly had to arrive at work just a few hours after getting home. These family-friendly policies sent a distinct message to the young/childless -- the company regards your happiness as secondary to that of those with children.
Edit: I regard such policy biases as companies' choices to make, but I doubt that many consider sufficiently the messages these events/policies/etc send to particular employee segments.
Edit: I regard such policy biases as companies' choices to make, but I doubt that many consider sufficiently the messages these events/policies/etc send to particular employee segments.