I would much rather be able to become a weretiger because black stripes are so in.
I played a weretiger in D&D once, he became constable of a small town, largely because no one wanted to argue with a nine foot man-tiger.
What did they do? They don't like werewolves? So what. A lot of people don't. They don't do anything bad. Hunting werewolves is bad, but hunting vampires is good? I don't understand.
Because they murder without discrimination, it doesn't matter if the werewolves are dangerious or not they kill them simply because they exist. They do so for pleasure not out of some duty to protecting the peoples of skyrim. I haven't heard of the dawnguard nailing vampires to walls likw the silverhand does to werewolves. If you approach the dawnguard as a vampire but without siding with the Harkon they simply tell you to get cured, there really isn't evidence they hunt vampires that don't deserve it.