After a cursory check of the "frontpage" there... yeah, it doesn't seem very balanced. More like "r/The_Donald"-lite, with even some anti-vaxx stuff thrown in.
No moderation means it will be overrun with trolls and spammers. This is true of any discussion system. Once you grow beyond a certain point, typically a few dozen users or so moderation is necessary to avoid having the signal to noise ratio drop so low that all of the quality people leave.