Because English language news sources aren't particularly interested in developing the relationships necessary to report on Chinese scientific breakthroughs. It undermines the prevailing media narrative that China is behind and backwater.
Americans don't like the idea that maybe China is actually rocketing past them technologically and infrastructurally, so news doesn't really report on it much.
Americans don't like the idea that maybe China is actually rocketing past them technologically and infrastructurally, so news doesn't really report on it much.