Ground rent simplifies government. There is just one thing to measure, and one thing to collect: the value of each location.
This is a statistician's dream! Through regression analysis, the value of every political choice can be objectively measured. and likewise the value of good neighbours, and what exactly constitutes being a good neighbour over the long term.
Different regions will compete to attract workers. Which implies measuring and comparing the results: true science in action.
So every decision improves, which means future decisions also improve.
So everything gets better and better forever.