on the contrary actually, they have formed many cities and kingdoms that are structured around trade, so basically trade centers with multiple trade routes turned into thriving cities like petra or yemen, the desert of arabia also had many settlements whose purpose was a resting point for travellers and traders, and the desert settlements were crucial because they were safe from outsiders who couldn't navigate through it as well. arabs had a long history and culture, yet documentation of those periods didn't last because they wrote on hides and not on stone like the persians for example, and only little is known about their history and origin
Iraq