The Internet is a reflection of our society and that mirror is going to be reflecting what we see. If we do not like what we see in that mirror the problem is not to fix the mirror, we have to fix society.
The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.