Comments in this thread also illustrate why it's hard (and frustrating) to do constructive work in security. It's a big, complicated problem, and nobody's happy unless you solve it all at once.

You could do the equivalent of solving world hunger and world peace, but unless you also give everyone in the world a free puppy, you're going to get bad reviews complaining about the lack of puppies. And there's always someone who wanted a kitten instead...