The announcement from China has yet to be verified but several prominent scientists and academics have expressed skepticism as their theorised "crack" could be undertaken using a machine with a lower specification that ones scheduled to come into play later this year like the IBM Osprey.
I wills ay that QC will have a seismic impact of AI, AGI and ASI as the boundaries of scale with current computing will be brushed aside and we will enter a period of "first-to-market" mayhem and a major concern is oen fo a lack of global oversight. All it takes is one rogue corporation (or individual within that), state or other actor to destabilise the global economy.
Interesting times.