Okay, Nav/Cyber/whatever you want to be called, I'll try to say this in a way that isn't bashing you.
Yes, there are alot of DM/TDM servers up. If there are weapons in a game, it's likely to happen. The privlage of shooters are given so it's likely to happen. However, this doesn't mean shooters are going to take over blockland, nor have they yet. Just because there alot doesn't exactly mean the game itself has been transformed into another game.
Like many people have said - If you don't like it, the least you could do is try to change it. Come up with something creative. Surely, it's not going to eliminate shooters from BL, but hey, you (tried) to make a difference.
You should only be concerned if there are literally 5 non-shooter servers* on the list.
servers that are frequent