Do you think that planning for airports at the regional level will become more or less important in the future?

The Future of Planning:
Consider the hierarchy of planning. Do you think that planning for airports at the regional level will become more or less important in the future? Explain your rationale.
Aligned Objective:
Discuss the future of aviation planning.
I want someone professional in Aviation to do it; I need the answer in two paragraphs. (it is a discussion question)