Some nations have fine-grained representation of land but course-grained representation of ideas
Some nations have fine-grained representation of ideas but course-grained representation of land
You cannot have both, unless you're willing to have a legislature that has something like 5,000 people in it, which is not practical. (For instance, the USA has 50 states, so if we wanted 100 representatives from each state, the legislature would have 5,000 people in it — clearly not realistic.)
Some nations have fine-grained representation of land but course-grained representation of ideas
Some nations have fine-grained representation of ideas but course-grained representation of land
You cannot have both, unless you're willing to have a legislature that has something like 5,000 people in it, which is not practical. (For instance, the USA has 50 states, so if we wanted 100 representatives from each state, the legislature would have 5,000 people in it — clearly not realistic.)