Because despite all the cynicism we are mired in - the political tricks, the muddled values and willful ignorance in the name of selfish pursuit, there are still people who think like this:
If I were to pick a word to describe myself, it would be integrative. It summarizes who I am and what I believe. That is that to fully understand something, you must study many parts of it; to fully communicate something, you must use multiple forms of communication; and to effectively change something, people must work together.
Yes, there is still magic in this world - you just have to remember how to look for it.