NG is full of people like that. Sadly you just have to deal with the masses who vote 0 and then disappear.
You do give a valid point and like Pacdude said before - not everybody truly understands the term constructive criticism.
You put alot of time and effort in each of your tracks, and they shouldn't be downvoted by some idiotic teenager who thinks "It's not my genre, blamblamblamblam."
Pacdude167
I think some people do that because they don't quite grasp the term "constructive criticism." If they don't like it then they say so in their votes, which is fine and all, but it would be better if people would actually put up why they didn't like it, and any ways that the said submission could be improved.