Certainly doesn't hurt the purchase price of a C-Series or Embraer if "rumor has it" Delta management doesn't like the economics.

And it doesn't hurt the potential purchase price of an Airbus or Boeing if you're talking to Bombardier and Embraer.

And it doesn't hurt that an analyst talks with RA, and goes on the record saying we're probably just testing the waters.

Of course, sending letters to China and Russia is probably a little over the top...