You're right on both accounts. Whatever personality this has is just the sum of all the people active here. So, if subreply's is the way it is because individually we're cool, level-headed people. And yes, if this grew exponentially, with it coming new and more conflict-seeking people, subreply's personality would change accordingly. The world is messy, and the more of the messy world you have in one place, the noisier it gets. Past a certain point it's just deafning.