Agree with your analysis, but OP used the original title from Aviation Week.

It's been edited; the original submission was "The end of the sonic boom is in sight". Though actually that doesn't seem that inaccurate; the "supersonic breakthrough" discussed in the article is precisely the effective reduction of sonic booms.

(Incidentally, Twitter is a good source for finding what titles were before they were edited. In this case I found it at https://twitter.com/#!/newsyc20/status/187650762111844353)