The multi-core score listed in the main results page for EPYC 9534 is 15433, but if you look at the individual results, the ones that aren't VMs with fewer than all the cores typically get a multi-core score in the 20k-25k range, e.g.:
What does that have to do with the scores being wrong? As mentioned, virtual machines can claim to be consumer CPUs too, while running on hardware with slower cores than the ones in the claimed CPU.
https://browser.geekbench.com/v6/cpu/6807094
https://browser.geekbench.com/v6/cpu/9507365
The ones on actual hardware with lower scores typically have comments like "Core Performance Boost Off":
https://browser.geekbench.com/v6/cpu/1809232
And that's still a higher score than the one listed on the main page.