What need is there for selling non-illegal things in a darknet market? Let's be honest, OpenBazaar will be used to sell drugs, stolen ids, and other illicit things.
People would have declared it a danger, a lawless non-place which poisons the youth and will be dominated by child porn and surely not by kitten pics.
False. Some things are restricted by abuse of power, not by law. For example, it's very hard to massprint antiputin agitation in Russia despite there is no law against it.
Avoiding platform fees and payment processor fees is no small thing.