Please stop posting amateur RCS analysis of an airframe that we don't even have a clear image of. In fact, don't post anything RCS related regarding any of China's stealth birds unless it's from an official source, such as academic papers. By the way, I don't understand why you're asking @Stealthflanker for opinions. He's demonstrably not an expert at anything I'm aware of, as evidenced by the exchanges seen here and here. Please keep content from pretend-experts away from the flagship threads.
I think the couple responses responding to it have value in themselves. But sure.
As for why him, it's because there was an interaction (I didn't mention the Zhihu post). It's not that deep.