I studied some urban planning in college, and the more that I got into it, the more I saw it as becoming too invasive in private property rights. What's more, roughly three fourths of the people in urban planning classes are somewhat liberal.
While I agree that beautiful neighborhoods are a great idea, I don't think that they should be legislated through oppressive ordinances and covenants, nor do I think that local governments should be non-compromising on zoning changes if the property owner wants it.
Zoning meeting, or the like that you spoke of, are often held on a Monday morning at 8:30 in the morning? Why? Most people are working or are leaving to work and can't make it at that time. Thus, there's less opposition that can make it to the meeting. However, it rarely matters, as most county comissions pass what they want.