> because "the downtown area" just isn't that valuable of a destination

This is another point people miss - 50 maybe 75 years ago the downtown area was a valuable destination because stores were smaller and what you needed could only be found at one or two places in a city; often downtown.

Cities are much bigger, but so are stores - you can go for months shopping nowhere but a SuperTarget or Walmart; and half the remainder can be delivered.

You make downtown desirable and then begin fixing the traffic problems. It takes 20+ years, but it can be done.