Well, they are temporary advantages of the Chinese, since this race has only just begun. Today many large corporations have projects of this type, apart from Google and IBM, Facebook also has, NASA and some others. They are even launching the first Quantum PC for only $ 5,000, although of course still quite limited to 2 Qbits, but this technology is definitely here to stay and that the user has to look for alternative methods to passwords, which are soon no longer useful. https://www.discovermagazine.com/technology/a-desktop-quantum-computer-for-just-usd5-000
the user has to look for alternative methods to passwords
Why? Quantum computers only really break “conventional” asymmetric encryption and there are mature “quantum safe” alternatives.