Yes and no.  SOME likely will anyway, but it doesn't have to be in that area.  And that's the areas that residents in that jurisdiction have some say over.

And no, it doesn't mean AS MUCH development will automatically be built.  Turning down some projects can actually mean LESS projects being built in total in that broader area.  There's no fixed number of people that will move into the front range no matter what.  There is some cause and effect at play.