Political arguments are more than just about how the government itself should operate, they are about social and economic issues that get encoded into the legal system.
Over time many people have noticed there are limited amounts of talking points for various political positions and the conversations become redundant and convoluted. The conversations become redundant and convoluted because the conversations are incomplete often. People make their points poorly worded or get upset with each other or various other things that stop the completion of the entire set of talking point.
With this argument database each talking point can be recorded as well as verified and filled out with sources and other reinforcing or debunking logic and facts.