Why would females pretend to be men in order to catfish...? [The success rate of their catfishing would be

] In fact, it's more likely that the reverse would happen. Unless I'm mistaken, straight men tend to care more about getting the attention of females than vice versa (and thus, are more suspectible to getting tricked by gay men or male catfishes).
In addition, the confusion can never be eliminated because even if you have just the two options-- people can still lie and check off the opposite of what they are.
I personally like the gender neutral option and I don't think getting rid of it will solve anything but it's not a big deal either way.