It's important to have both sides: one side believes in baseless conspiracy theories and the other side lives in reality.

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.

They do promote free speech, from all sides. Just join and give your opinion if you do not agree with something.

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.

I remember reading about Parler having that exact problem. Because of the "no-moderation" aspect, they were being overrun with spam and pornography.