The fact that you linked that article as a way to refute such a call for decency and kindness is so damn disingenuous. Take a second and think about what you're arguing against. It's not that radical of an idea, y'know, to foster their creativity, motivate them, give them a sense of accomplishment.
Kids out there: Stay naive and optimistic and offer your help to people who want it, and never assume the worst in people. Searching for the Truth is good, but don't let it come in the way of you treating others nicely. Most of all, don't waste your time on HN.