Earlier quoted context omitted.
America is 3,531,905.403 square miles large, and the majority of us choose to live in under 100,000 of it. Maybe that too also contributes to these issues. You may fashion yourself to be virtuous enough to not charge more when you so easily can, but we shouldn't assume everyone will be.
Have you considered that people are more productive when they are working together? This higher productivity is what allows for rent to be high (the land is more productive), but that does not necessarily imply that the increased productivity should go into the hands of people who merely hold land and are not themselves producing anything on it.
"Producing something on it" is a wholly subjective standard. I can just as well proclaim the opposite, that not producing anything on it is the standard that should determine ownership.