Because that is how it is. This forum is for everyone, thus bitcoin is for everyone it may seem that males are more knowledgable than females or should I say males are far more interested on doing this thing rather than females. Because there are no gatepass or requirements even existing on this for you to start, you only need to have a sense, perseverance, and most likely a hard work on doing this stuffs because this thing is not a joke for us to troll around.