They're "objectively bad for the game." That's a pretty powerful statement, Big Mike. Got something factual and statistical to back it up with, something besides your feelings? Because my standpoint is that the game not only condones it in term of the rules, it actively encourages the behavior. Couple that with the fact that the dev's themselves have said that Open is the most popular mode and I'd have to opine that you're full of horse apples right up to your ears.
Except they don’t encourage the behavior. Hence the forum posts of the poor gankers complaining that there is no meaning to their ganking. Like I said, gankers are the price of having a free and open game, not the intention.
The fact that more people play in open doesn’t mean that they like ganking. It could just as easily be the fact that it’s the first option, or people haven’t encountered a ganker yet and don’t know any better.
Logically, over time the murder hobos will drive people from the game. Since their “gameplay” is a means to NO END, it frustrates other players for nothing. Therefore, it does nothing good and only makes people mad (objectively worse).
I’ve not seen any compelling argument that has convinced me that ganking brings value to the game/ experience.