...are the content and genesis of Tox's first post in this thread.
The D/FW area is very heavy in aerospace; and (as recent decades have shown us) a very popular place to relocate corporate HQ's, for reasons of costs, central location, quality of life, available workforce, tax policy and others.
Boeing has very substantial operations here, as well.
I am sure that there are similar rationales for Chicago and Denver, as well.
Of course, it may all be a ploy to secure tax concessions from WA state, etc.; but don't let your irrational biases distract you from business reality.
...three miles from BRONS, clear for the ILS one five approach...