On the article directly, it sounds like a case of maybe them having something with a potentially useful niche (at the right price), but trying to over market it. This seems like more of a "first line ...

TL;DR: In California, a small fire in a test kitchen is giving fire safety engineers and firefighters a closer look at an unusual idea: putting out flames with sound instead of water. During a recent ...

For the past 30 years, sprinklers have come to be regarded as the best defense in case of a fire -- the next best thing to hiring a private fire department to provide on-site, round-the-clock ...

If the article was technically accurate that might be a concern, but it very clearly isn't. Sound doesn't move one atmospheric species preferentially over another, certainly not sufficiently to ...