I genuinely can't remember if Boom Aerospace was discussed on this form or not, and I don't know if this belongs in World News or another forum.
But anyways, one of the things a lot of people (can't remember if it was on this forum or another forum/reddit, and definitely happened in real life) did to try and downplay China's C919 flights and China's developing aerospace industry in general was to point to Boom Aerospace. Basically it was another "America's back, baby!" thing.
Well, here's how its going: