1. Oral traditions, and written sources derived from oral traditions, are like that. It’s the nature of that genre.
2. You do realize that most of thde “debates” in the Talmud never took place (the “give away” is that the people debating lived in different centuries, and sometimes in different regions). When the Talmud was compiled, the editors derived a coherent structure for us to work with, continuing a process that had been ongoing for generations.