Chinese forums are filled with the wild claims of various paid trolls. Chinese forums are rife with mockery and attacks targeting Xiaomi Auto, Li Auto, and Huawei Auto. Commenters accuse Xiaomi Auto of shoddy craftsmanship and lacking core technology while relying solely on media hype. They criticize Huawei Auto for peddling patriotic sentiment and boasting about technology through exaggerated press conferences. I recall that just three or four years ago, Tesla and BYD were the brands under attack. The atmosphere in some Chinese forums is truly toxic.
It's not as toxic as you think. This is just fans and supporters of their own brands dishing it out at the rivals. They just happen to all be Chinese. Many of these "toxic" folks would still consider the focus of their mockery to be better than alternatives from Japan, Germany, US and elsewhere.
Xiaomi is a bit of a hype. Sure it's impressive on its own when you measure it against a Japanese car and impressive when compared to a German luxury car when you consider its price but there are dozens of sub-brands in China that outdo Xiaomi and are part of parent companies that have a broader and deeper in-house developed technologies.
Huawei's Aito, Avatr and other cooperations with established car makers are indeed impressive. I think they are much more mindblowing than Xiaomi's two vehicles but they're not performance focused like the Xiaomis. Huawei does sort of beenfit somewhat from patriotic sentiment. Its vehicles though are absolutely next level. The M8 is nicer than a Mercedes GLS at half the price. The M9 has about 10x more kit and features than the Maybach GLS. As derivative as the design for those giant Aito luxury barge SUVs are, there are literally a dozen more brands and hundreds of models of impressive vehicles. Sit in a Nio ET9 and then a Rolls Ghost and you'll find the ET9 to be a preferable alternative albeit lacking in the provenance and prestige department compared to a Rolls. Nio would compare favourably to anything else coming out of Asia in my opinion.